If you need a graphing calculator for high school in 2026, look for one that’s exam-approved, easy to use, and packed with functions.
Models like the Texas Instruments TI-84 Plus CE and CATIGA CS-229 stand out with bright displays, rechargeable batteries, and extensive math capabilities.
Some even support programming with MicroPython.
Choosing the right calculator can boost your learning and test performance. Exploring key features will help you find the perfect fit for your classes and exams.
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Texas Instruments TI-84 Plus CE Color Gr...
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CATIGA Scientific Calculator with Graphi...
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Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black
- High-resolution, full-color backlit display.Horizontal and vertical split-screen options..Display type : LED. Number of Items : 1.
- Rechargeable battery
- Preloaded apps and images.Fourteen interactive zoom features
- MathPrint feature.Seven different graph styles for differentiating the look of each graph drawn
- Available in a variety of fun colors
- English (Publication Language)
The Texas Instruments TI-84 Plus CE Color Graphing Calculator redefines how you approach math and science problems. Its vibrant, high-resolution color display makes interpreting complex graphs straightforward, helping students visualize data more clearly.
Designed with functionality in mind, this calculator offers a full-color backlit LED screen and split-screen options. These features allow you to compare multiple graphs at once, streamlining problem-solving and analysis during study sessions or exams.
Maintenance is simple thanks to its rechargeable battery, so you can avoid the hassle of frequent replacements. The device also comes preloaded with useful apps and images, enhancing its versatility and supporting a wide range of coursework.
While its advanced display uses more power than basic models, the trade-off is a significantly improved user experience. The calculator’s design supports fourteen interactive zoom features and seven graph styles, making it easier to distinguish different data sets.
Best for: High school students and anyone needing a reliable, easy-to-read graphing calculator for math and science courses.
What We Like:
- Clear, high-resolution full-color display enhances graph readability.
- Rechargeable battery reduces maintenance efforts.
- Preloaded apps and multiple graph styles increase versatility.
- Split-screen functionality supports multitasking.
- Interactive zoom features aid detailed graph analysis.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | Full-color backlit LED, high-resolution |
| Screen Features | Horizontal and vertical split-screen options |
| Battery | Rechargeable lithium-ion battery |
| Preloaded Content | Apps and images for enhanced functionality |
| Zoom Features | Fourteen interactive zoom options |
| Graph Styles | Seven different styles for clear data differentiation |
| Intended Use | Math and science coursework for high school students |
| Color | Black |
Texas Instruments TI-84 Plus Graphics Calculator Black
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The Texas Instruments TI-84 Plus Graphics Calculator Black is designed to meet the demands of high school students tackling advanced math and science courses. Its vibrant 2.8-inch backlit color screen enhances clarity, making it easier to view multiple graph functions at once. This feature helps students quickly compare and analyze data without confusion.
Beyond its display, the calculator offers seven graph styles and fourteen zoom features to dive deeper into complex problems. The split-screen options allow for simultaneous views, improving understanding and visualization of mathematical concepts. These tools make studying more interactive and effective.
The preloaded Cabri Jr. software adds an extra layer of learning through interactive geometry. This helps students explore shapes and relationships dynamically, enhancing comprehension. Maintenance is straightforward, with reliable battery life and a durable build suited for everyday school use.
While it connects easily with other Texas Instruments devices via the I/O port, compatibility outside this range is limited. The screen, though colorful and detailed, may feel small for some users handling very intricate graphs. Overall, the TI-84 Plus balances powerful functionality with ease of use to support academic success.
Best for: High school students who require a versatile and reliable calculator for advanced math and science courses.
What We Like:
- Bright 2.8-inch backlit color screen with multiple graph styles for clear visual differentiation.
- Preloaded Cabri Jr. geometry software for interactive learning.
- Fourteen zoom options and split-screen views enhance graph analysis.
- Durable design suitable for daily school use.
- Easy connection with other Texas Instruments devices via I/O port.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | 2.8-inch backlit color screen |
| Graphing Functions | Supports up to 10 simultaneous graphing functions |
| Graph Styles | Seven distinct graph styles |
| Software | Preloaded Cabri Jr. interactive geometry software |
| Zoom Features | Fourteen interactive zoom options |
| Screen Layout | Horizontal and vertical split-screen options |
| Connectivity | I/O port compatible with Texas Instruments devices |
| Battery Life | Long-lasting, suitable for extended use |
| Dimensions | Compact and lightweight design |
CATIGA Scientific Graphic Calculator CS-229
- 【Scientific Calculator with Graphic Function】This is a scientific calculator that can display charts of formulas. It has a screen large enough to display diagrams and equations at the same time, allowing you to view calculations and corrections in detail. The size 7 x 3.3 ensures comfortable operation.
- 【Multiple modes】This calculator offers 3 operating modes: angle measurement, calculation and display mode. Please see the photos for more information.
- 【Over 360 Functions】Including fractions, statistics, calculations of complex numbers, linear regression, standard deviation, and variable solution.
- Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business
- If you cannot turn on the calculator, please press the reset button on the back! If you have any further problems, we offer a limited warranty of 365 days. Please contact us and we will give you an answer within 24 hours.
The CATIGA Scientific Graphic Calculator CS-229 is designed to make complicated math problems simpler and more understandable. Its large 7 x 3.3-inch screen displays charts and formulas clearly, helping users follow along without confusion. This clarity is especially helpful when working through complex calculations in detail.
Equipped with over 360 functions, this calculator handles a wide range of tasks, from fractions and statistics to complex numbers and linear regression. It adapts easily to different needs, allowing you to switch between angle measurement, calculation, and display modes through an intuitive interface. This flexibility supports both beginners and advanced users.
Maintenance is straightforward, with a handy reset button that keeps the device running smoothly. The calculator is designed for use in diverse courses, including algebra, AP calculus, physics, and finance. Its size, while offering excellent visibility, might be less portable than smaller devices, so consider your space needs.
Overall, the CATIGA CS-229 combines functionality and ease of use, making it a reliable tool for math and science studies. Its design supports detailed work and learning progression without overwhelming the user with unnecessary complexity.
Best for: Students and professionals needing a versatile scientific and graphic calculator for a wide range of math and science courses from basic algebra to advanced AP calculus and statistics.
What We Like:
- Large screen enhances visibility of complex charts and formulas.
- Extensive function set supports advanced calculations.
- User-friendly interface with multiple modes for different skill levels.
- Reset button ensures easy maintenance and consistent performance.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display Size | 7 x 3.3 inches |
| Number of Functions | Over 360 functions |
| Calculation Modes | Angle measurement, calculation, display modes |
| Supported Courses | Algebra, AP calculus, physics, finance |
| Interface | Intuitive and easy to navigate |
| Reset Feature | Yes, includes a reset button |
| Warranty | 365 days |
| Portability | Larger size; less portable than smaller models |
Texas Instruments TI-83 Plus Graphing Calculator, Gray, Standard
- Permitted for use on SAT, PSAT/NMSQT, ACT, AP, IB and Praxis exams
- Offers large 64 x 96 pixel, 8 x 16 display; 24KB of RAM; and 160KB Flash ROM memory
- Also graphs 3 recursively-defined sequences; TVM, cash flows, amortization, and complex numbers
- Incorporated, Texas Instruments (Author)
The Texas Instruments TI-83 Plus is a trusted graphing calculator designed to support students and professionals facing challenging math and science problems. Its compact gray design houses a clear 64 x 96 pixel LCD screen that displays detailed graphs and calculations with ease. This calculator simplifies complex tasks like advanced statistics, calculus, and financial computations, helping users focus on problem-solving rather than manual calculations.
Maintenance is straightforward with its single lithium metal battery, offering long-lasting power, though users should be prepared for occasional replacements. The device stores up to 10 matrices and supports multiple graph sequences, making it versatile for various subjects. Its simple programming language and split-screen feature enhance usability, allowing users to trace graphs while reviewing data side by side.
Intended primarily for students preparing for standardized tests such as the SAT, ACT, and AP exams, the TI-83 Plus meets exam requirements while delivering reliable performance. Its functionality makes it especially useful in courses like chemistry, physics, and calculus where graphing and complex calculations are essential.
Although it lacks some modern features like color displays or touchscreens, its proven reliability and straightforward interface make it a practical choice for users who need a dependable graphing calculator without unnecessary complexity.
Best for: Students and professionals needing a reliable graphing calculator for advanced placement courses, standardized tests, and complex mathematical, scientific, or financial calculations.
What We Like:
- Approved for SAT, ACT, and AP exams, ensuring compatibility.
- Supports advanced statistics, calculus, and financial functions.
- Clear LCD screen with split-screen graph and data viewing.
- Simple programming language enhances usability.
- Compact and durable gray design.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | 64 x 96 pixel monochrome LCD screen |
| Memory | Stores up to 10 matrices |
| Battery | Single lithium metal battery |
| Graphing Capabilities | Multiple sequences can be graphed simultaneously |
| Programming Language | Simple built-in programming |
| Exam Approval | SAT, ACT, AP exams approved |
| Dimensions | Standard size, portable |
| Color | Gray body |
CATIGA Scientific Graphic Calculator CS-121
- 【Scientific Calculator with Graphic Function】This is a scientific calculator that can display charts of formulas. It has a screen large enough to display diagrams and equations at the same time, allowing you to view calculations and corrections in detail. The size 7 x 3.3 ensures comfortable operation.
- 【Multiple modes】This calculator offers 3 operating modes: angle measurement, calculation and display mode. Please see the photos for more information.
- 【Over 360 Functions】Including fractions, statistics, calculations of complex numbers, linear regression, standard deviation, and variable solution.
- Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business.
- If you cannot turn on the calculator, please press the reset button on the back! If you have any further problems, we offer a limited warranty of 365 days. Please contact us and we will give you an answer within 24 hours.
The CATIGA Scientific Graphic Calculator CS-121 is designed to make complex calculations simpler and more accessible. Its over 360 functions cover a wide range of mathematical needs, from basic fractions to advanced statistics and linear regression. This makes it a versatile tool for tackling various academic challenges.
Switching between different modes like angle measurement and display is smooth and intuitive. The calculator’s clear interface shows charts alongside your calculations, helping you identify errors quickly. This feature is especially useful for visual learners and those working on graphs in subjects like Algebra and Physics.
Weighing just 6.7 ounces, it’s portable and easy to carry around campus or to study sessions. The device’s design focuses on both usability and durability, ensuring it withstands frequent use while remaining straightforward to operate. Maintenance is minimal, requiring only occasional battery checks.
While it offers extensive functionality, beginners might find the range of features a bit overwhelming at first. Also, customer support requires prompt contact within 24 hours after a reset, so users should be mindful of this limitation.
Best for: Students and professionals needing a reliable scientific calculator with advanced graphic functions for courses such as Algebra, Calculus, Physics, and Finance.
What We Like:
- Extensive function set including complex numbers, statistics, and regression analysis
- User-friendly interface with simultaneous graph and calculation display
- Lightweight and portable design for easy use on the go
- Robust build that supports frequent academic use
Specification:
| Specification | Description |
|---|---|
| Model | CATIGA Scientific Graphic Calculator CS-121 |
| Number of Functions | Over 360 |
| Display | Clear interface with simultaneous chart display |
| Weight | 6.7 ounces |
| Modes | Angle measurement, calculation, display modes |
| Suitable Subjects | Algebra, Calculus, Physics, Finance |
| Customer Support Note | Contact required within 24 hours after reset |
Franklin Scientific Graphing Calculator with Protective Cover
- Advanced Scientific Calculators: Equipped with essential tools for solving complex equations, this device supports a wide range of subjects from algebra to calculus, making it the ideal math calculator for both students and professionals.
- Graphing Capabilities: This graphic calculator features built-in graphing functions, allowing users to visualize data and equations. Ideal for use in classrooms as one of graphing office calculators.
- Algebra Simplified: The algebra calculator functionality simplifies and solves equations, fractions, and algebraic expressions efficiently, making it a reliable tool for tackling math problems of varying difficulty.
- Ideal for Office and Study: Designed as a multifunctional math calculator, this device excels in both academic and professional settings, handling complex statistics, probability, and geometry tasks with ease.
- Comprehensive Graphing and Functions: As a graphic calculator, it’s ideal for advanced users who need detailed graphs, whether for school projects, business calculations, or scientific research.
The Franklin Scientific Graphing Calculator with Protective Cover is designed to make complex math tasks more manageable. Whether you’re working through algebra or diving into calculus, this calculator offers reliable support to simplify your studies. Its versatile functions help you visualize data clearly, improving your problem-solving process.
You can switch easily between three operating modes and access 20 built-in graphs, which aid in understanding difficult concepts. This functionality is especially useful for handling algebraic expressions, fractions, and equations efficiently. The protective cover adds durability, ensuring your calculator stays safe from everyday wear and tear.
Maintenance is straightforward thanks to its sturdy design and protective case, which guards against scratches and accidental drops. This makes the calculator ideal for students who need a dependable tool in both classroom and home settings. As math challenges increase, it also supports advanced topics like statistics, probability, and geometry.
While the calculator is powerful, it might take some time for beginners to get comfortable with all its features. Its single color option is simple, focusing on practicality over style. Still, it provides a robust solution for those needing more than a basic scientific calculator.
Best for: Students and professionals needing a versatile graphing calculator capable of handling algebra to calculus with built-in graphing and advanced scientific functions.
What We Like:
- Offers 20 built-in graphs and multiple operating modes for diverse applications.
- Handles complex algebraic expressions and equations efficiently.
- Protective cover enhances durability and portability.
- Supports a wide range of advanced math topics beyond basic calculations.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | High-resolution screen with 20 built-in graph types |
| Operating Modes | Three modes for different math functions |
| Functions Supported | Algebra, calculus, statistics, probability, geometry |
| Protective Cover | Durable cover to prevent damage and scratches |
| Color Options | White only |
| Portability | Lightweight and compact for easy transport |
Casio fx-9750GIII Graphing Calculator with Python
- USER-FRIENDLY DISPLAY – Natural Textbook Display℠ shows expressions and results exactly as they appear in textbooks, simplifying writing and interpreting complex math.
- STUDENT FRIENDLY - Combines ease of use with advanced functionality—ideal for courses from Pre-Algebra to AP Statistics. Supports graph plotting, vectors, probability distributions, spreadsheets, eActivities, integrals, and more for a full range of math and science applications.
- PYTHON INTEGRATION – Program with MicroPython directly on the calculator, or connect to a PC to transfer, store, or share your programs.
- EXAM-APPROVED – Approved for use in AP, SAT, ACT, IB, and other standardized exams, making it a reliable choice for students.
- USB CONNECTIVITY: Easily store and transfer files to and from a computer using the included USB cable.
The Casio fx-9750GIII Graphing Calculator with Python brings powerful math tools right to your fingertips. Its Natural Textbook Display shows formulas and equations just like they appear in textbooks, making complex problems easier to understand. This helps students focus on learning concepts rather than deciphering numbers.
Programming enthusiasts will appreciate the built-in MicroPython feature, which allows coding directly on the calculator. This integration enables users to create custom programs and transfer files to a PC via USB, enhancing problem-solving flexibility. The calculator’s design supports a variety of functions such as graph plotting, vectors, and probability distributions, covering a wide range of math topics.
Maintenance is straightforward with this model, as it relies on USB connectivity for data transfer and updates. Its durable build suits daily use in classrooms and exam settings. Because it’s approved for standardized tests like AP, SAT, ACT, and IB, students can confidently use it during exams without worries.
While the calculator is user-friendly, newcomers may need time to get accustomed to its programming capabilities. It offers only MicroPython support and USB connectivity, which might limit some advanced users seeking wireless options.
Best for: High school students and exam takers who need a versatile graphing calculator with programming capabilities and official test approval for subjects from Pre-Algebra to AP Statistics.
What We Like:
- Clear, easy-to-read Natural Textbook Display
- Built-in MicroPython programming on the device
- Approved for major standardized exams including AP, SAT, ACT, and IB
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | Natural Textbook Display |
| Programming Language | Built-in MicroPython |
| Connectivity | USB cable for data transfer and updates |
| Functions | Graph plotting, vectors, probability distributions, spreadsheets, integrals |
| Exam Approval | Approved for AP, SAT, ACT, and IB standardized tests |
| Battery | User-replaceable batteries |
| Dimensions | Approximately 7.4 x 3.3 x 0.9 inches |
| Weight | About 160 grams |
TOVO Graphing Scientific Calculator TS-259 by CATIGA
- 【Scientific Calculator with Graphic Function】This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use.
- 【Multiple modes】This calculator offers 3 operating modes: angle measurement, calculation and display mode. Please see the photos for more information.
- 【Over 360 Functions】Including fractions, statistics, calculations of complex numbers, linear regression, standard deviation, permutations and variable solution.
- Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business.
- If you are not able to turn on the calculator, please press the reset button on the back! If you still have any other issues, we offer a 365-day limited warranty. Please contact us and we will give you a response within 24 hours.
The TOVO Graphing Scientific Calculator TS-259 by CATIGA is designed to simplify complex calculations and graphing tasks for students and professionals alike. Its large 7 x 3.3-inch screen allows you to view graphs and equations side by side, making it easier to analyze and compare data without switching views constantly. This feature enhances clarity and speeds up workflow during exams or assignments.
With more than 360 functions, this calculator handles everything from fractions and statistics to complex numbers and linear regression. It supports various academic fields, including Algebra, AP Calculus, and Science, adapting to your evolving educational needs. The three operating modes—angle measurement, calculation, and display—offer intuitive switching, helping you focus on the task at hand without confusion.
Maintenance is straightforward, though resetting the device requires manual access to a reset button located on the back. While the extensive range of functions may take some time to master, the calculator’s design aims to support long-term use across multiple courses and professional applications.
Best for: Students and professionals needing a versatile graphing calculator with comprehensive functions for advanced math and science courses.
What We Like:
- Large, clear display for simultaneous graph and equation viewing
- Extensive functionality covering over 360 mathematical and statistical operations
- Flexible three-mode operation for tailored calculation and measurement
- Compact design with manual reset for easy maintenance
Specification:
| Specification Title | Detailed Description |
|---|---|
| Screen Size | 7 x 3.3 inches |
| Number of Functions | Over 360 including fractions, statistics, complex numbers, and linear regression |
| Operating Modes | Angle measurement, calculation, display |
| Intended Use | High school and professional math, science, and business courses |
| Reset Method | Manual reset button on the back |
| Warranty | 365-day limited warranty |
Casio fx-9750GIII Pink Graphing Calculator with Python
- USER-FRIENDLY DISPLAY – Natural Textbook Display℠ shows expressions and results exactly as they appear in textbooks, simplifying writing and interpreting complex math.
- STUDENT FRIENDLY - Combines ease of use with advanced functionality—ideal for courses from Pre-Algebra to AP Statistics. Supports graph plotting, vectors, probability distributions, spreadsheets, eActivities, integrals, and more for a full range of math and science applications.
- PYTHON INTEGRATION – Program with MicroPython directly on the calculator, or connect to a PC to transfer, store, or share your programs.
- EXAM-APPROVED – Approved for use in AP, SAT, ACT, IB, and other standardized exams, making it a reliable choice for students.
- USB CONNECTIVITY: Easily store and transfer files to and from a computer using the included USB cable.
Unlock new learning possibilities with the Casio fx-9750GIII Pink Graphing Calculator featuring integrated Python programming. This calculator is designed to bridge the gap between advanced mathematics and coding, making complex concepts more approachable for students. Its Natural Textbook Display shows expressions as they appear in textbooks, helping users visualize problems clearly and reduce input errors.
Programming enthusiasts will benefit from the built-in MicroPython support, allowing them to write and test code directly on the device. This feature promotes hands-on learning and enhances problem-solving skills without needing a separate computer. The calculator also covers a broad spectrum of functions including graph plotting, vectors, probability, spreadsheets, and integrals, supporting diverse math coursework.
Maintenance is straightforward with USB connectivity enabling easy file transfers between the calculator and a computer. This connection simplifies updates and data management, ensuring the device stays current and ready for use. The calculator complies with exam standards for AP, SAT, ACT, and IB, giving students confidence to use it during important tests.
While the Python environment is simplified compared to full computer versions, it offers a valuable introduction to coding. The pink color adds a unique touch but may not suit everyone’s style preferences. Overall, this device balances functionality, educational utility, and design for a well-rounded learning tool.
Best for: Students and educators seeking a versatile graphing calculator with advanced math capabilities and integrated Python programming suitable for standardized exams and STEM education.
What We Like:
- Clear Natural Textbook Display for easy math expression input and comprehension
- Integrated MicroPython programming supports coding practice on the go
- Approved for major exams like AP, SAT, ACT, and IB for reliable exam use
- USB connectivity enables convenient data transfer and maintenance
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | Natural Textbook Display showing expressions as in textbooks |
| Programming Language | Built-in MicroPython for on-device coding |
| Mathematical Functions | Graph plotting, vectors, probability, spreadsheets, integrals |
| Exam Approval | Valid for AP, SAT, ACT, and IB exams |
| Connectivity | USB port for file transfer and device updates |
| Color Option | Pink |
| Battery | Replaceable batteries for long-lasting use |
| Dimensions | Approx. 80mm x 160mm x 20mm |
| Weight | Lightweight for portability |
TOVO Graphing Scientific Calculator TS-259 by CATIGA
- 【Scientific Calculator with Graphic Function】This is a scientific calculator that is able to show graphs of formulas. It features a screen large enough to be able to display graphs and equations simultaneously, allowing you to see calculations and corrections in high detail. Its 7 x 3.3 size ensures comfortable use.
- 【Multiple modes】This calculator offers 3 operating modes: angle measurement, calculation and display mode. Please see the photos for more information.
- 【Over 360 Functions】Including fractions, statistics, calculations of complex numbers, linear regression, standard deviation, permutations and variable solution.
- Perfect for Advanced and Beginner courses including Pre-Algebra, Algebra I, Algebra II, Geometry, Trigonometry, Calculus, AP Calculus, AP Statistics, Biology, Chemistry, Physics, Finance & Business.
- If you are not able to turn on the calculator, please press the reset button on the back! If you still have any other issues, we offer a 365-day limited warranty. Please contact us and we will give you a response within 24 hours.
The TOVO Graphing Scientific Calculator TS-259 by CATIGA is designed to simplify complex mathematical tasks. Its large screen displays graphs and equations side by side, making it easier to understand relationships and solve problems quickly. This feature helps users visualize data and calculations at a glance.
With over 360 built-in functions, the calculator covers everything from fractions and statistics to complex numbers and calculus. This versatility supports a wide range of courses, from Algebra through AP Calculus and even science subjects like Biology and Chemistry. The device is compact and lightweight, making it easy to carry between classes or work.
The calculator offers three operating modes, allowing users to switch between functions effortlessly based on their needs. Maintenance is straightforward, ensuring long-lasting performance with minimal effort. Its design balances functionality and convenience to meet the demands of both students and professionals.
While the calculator’s extensive features may require some initial learning, it provides a robust toolset for advanced problem-solving. It is a practical choice for those looking to enhance their mathematical and scientific work with a reliable graphing calculator.
Best for: Students and professionals who need a versatile graphing calculator capable of handling a wide range of math and science courses from beginner to advanced levels.
What We Like:
- Large screen for simultaneous graph and equation viewing
- Extensive function set covering statistics, complex numbers, and calculus
- Lightweight and compact design with three operating modes
- Suitable for a broad range of academic subjects
- Easy maintenance for long-term use
Specification:
| Specification Title | Detailed Description |
|---|---|
| Model | TOVO Graphing Scientific Calculator TS-259 |
| Manufacturer | CATIGA |
| Display | Large screen displaying graphs and equations side by side |
| Functions | Over 360 functions including fractions, statistics, and calculus |
| Operating Modes | Three modes for flexible use |
| Portability | Lightweight and compact design |
| Intended Use | Suitable for Algebra, AP Calculus, Biology, Chemistry, and more |
| Maintenance | Simple upkeep for durable performance |
CATIGA CS229 Scientific Graphing Calculator
- Scientific calculator with graphic function: this is a scientific calculator that can display charts of formulas. It has a screen large enough to display diagrams and equations at the same time, allowing you to view calculations and corrections in detail. The size 7 x 3.3 ensures comfortable operation.
- Multiple modes: this calculator offers three operating modes: angle measurement, calculation and display mode. Please see the photos for more information.
- Over 280 functions: including fractions, statistics, calculations of complex numbers, linear regression, standard deviation, permutations and variable solution.
- Perfect for intermediate and beginner courses including pre-algebra, algebra I, algebra II, geometry, trigonometry, calculus, AP calculus, AP statistics, biology, chemistry, physics, finance and economics.
- If you cannot turn on the calculator, please press the reset button on the back! If you have any further problems, we offer a limited warranty of 365 days. Please contact us and we will give you an answer within 24 hours.
The CATIGA CS229 Scientific Graphing Calculator offers a practical solution for students tackling complex math subjects. Its large screen displays charts and equations side by side, helping users visualize problems and results simultaneously. This design enhances learning by making it easier to follow multi-step calculations.
With more than 280 functions, this calculator covers a broad spectrum of math topics, including statistics, complex numbers, and linear regression. Its versatility supports various academic needs, from algebra to AP calculus, allowing users to handle different problem types with confidence.
The calculator features three modes—angle measurement, calculation, and display—to adapt to diverse tasks and preferences. It comes in a lightweight, portable design that fits easily into backpacks, making it convenient for school or study sessions on the go.
Maintenance is straightforward: if the device does not power on, pressing the reset button on the back quickly resolves the issue. This feature ensures minimal downtime and keeps the calculator ready whenever it is needed.
Best for: High school and college students needing a versatile scientific graphing calculator for subjects ranging from algebra to AP calculus and statistics.
What We Like:
- Large screen enables simultaneous viewing of charts and equations for clearer understanding.
- Extensive function set supports a wide range of mathematical and scientific problems.
- Lightweight and portable design ideal for students on the move.
- Easy reset button for quick troubleshooting.
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | Large, high-resolution screen for charts and equations |
| Functions | Over 280, including statistics, complex numbers, linear regression |
| Modes | Angle measurement, calculation, and display |
| Design | Lightweight and portable |
| Power Management | Reset button located on the back for troubleshooting |
| Intended Use | Suitable for high school and college-level math courses |
NumWorks Graphing Calculator
- Grows with students from middle school to college.
- Intuitive and easy to use.
- Rechargable battery (20+ hours of continuous use per charge).
- Languages: English, French, Dutch, Portuguese, Italian, German, Spanish.
- High-resolution color screen (320x240 pixels).
- Includes a USB-C charging cable.
The NumWorks Graphing Calculator combines simplicity with powerful features to enhance your math experience. Its intuitive interface helps students focus on solving problems without getting lost in complicated menus. The vibrant, high-resolution color display makes graphs and calculations clear and easy to interpret.
Designed for daily use, this calculator runs on a rechargeable battery that lasts over 20 hours per charge. Charging is straightforward with the included USB-C cable, so you can quickly power up between classes or study sessions. Its lightweight and compact design make it easy to carry, perfect for students on the go.
Thanks to its support for multiple languages, including English, French, and Spanish, the NumWorks calculator is accessible to a diverse range of users. This flexibility helps learners feel comfortable using the device in their preferred language.
While it covers all essential graphing functions, it may not include some advanced features found in specialized models. Additionally, users accustomed to larger screens might find the display somewhat small. However, its balance of portability and functionality makes it a practical choice for most students.
Best for: Students from middle school to college seeking an easy-to-use, versatile graphing calculator with multi-language support and long battery life.
What We Like:
- User-friendly interface tailored for learners at different levels
- Bright, high-resolution color display for enhanced graph clarity
- Long-lasting rechargeable battery with convenient USB-C charging
- Compact and portable design ideal for everyday use
Specification:
| Specification Title | Detailed Description |
|---|---|
| Display | 320×240 pixels, color, high-resolution |
| Battery | Rechargeable, provides over 20 hours of use |
| Charging | USB-C cable included for fast and simple charging |
| Language Support | Multiple languages including English, French, Spanish |
| Intended Users | Students from middle school through college |
| Dimensions | Compact and lightweight for easy portability |
| Functionality | Core graphing calculator features with basic math tools |
Factors to Consider When Choosing a Graphing Calculator for High School

When you’re picking out a graphing calculator for high school, it’s a good idea to look at the display quality and size. You want the visuals to be clear so you can easily read graphs and numbers. Battery life is another thing to consider—especially if you’ve got long study sessions or exams coming up. Plus, think about how you charge it; some calculators use batteries, while others have rechargeable options.
Make sure the calculator you choose is allowed for the tests you’ll be taking. No one wants to get stuck with a calculator that’s not approved! It’s also important that it offers strong graphing features, so you can handle all kinds of math problems. And finally, an easy-to-use interface can make a big difference—it’ll save you time and frustration when you’re working through tricky equations.
Display Quality and Size
Display quality and size play an essential role in how effectively you can use a graphing calculator for high school math. You’ll want a high-resolution screen, like 320×240 pixels, to guarantee graphs and equations appear crisp and easy to read. A larger display, around 7 by 3.3 inches, lets you view multiple graphs or calculations simultaneously, boosting your efficiency.
Color screens help differentiate graph styles, which makes analyzing data much clearer. If you often work in dim settings, a backlit display will keep everything visible without strain. Moreover, split-screen functionality is a major plus, allowing you to see equations and their corresponding graphs side by side.
Choosing a calculator with these features can greatly improve your learning and problem-solving experience. It’s all about making your math work easier and more intuitive. So, keep these display qualities in mind when picking out your calculator.
Battery Life and Charging
Battery life ranks among the top priorities you should check before choosing a graphing calculator for high school. Some models feature rechargeable batteries that last over 20 hours on a single charge, letting you work without constant recharging. Look for calculators with USB-C charging for easy compatibility with modern chargers.
Power management features, like energy-saving modes, help extend battery life during long study sessions. It’s also smart to pick a calculator that can run on standard batteries as a backup, giving you flexibility when charging isn’t an option. Since battery performance varies by model, check user reviews to verify reliability and longevity.
Choosing a calculator with strong battery life and convenient charging options means you’ll stay powered up through all your math challenges. So, picking the right one can really make a difference when you’re deep into your work.
Exam Approval Status
Since standardized exams like the SAT, ACT, AP, and IB have strict rules on calculator use, you need to verify that your graphing calculator is approved before test day. Not all models meet the exam boards’ criteria, so double-checking approval status is crucial to avoid disqualification.
Approved calculators often support advanced functions in calculus and statistics, aligning well with high school curricula. Choosing an exam-approved calculator guarantees you have the necessary features and performance to solve problems efficiently during tests.
Moreover, becoming familiar with your calculator’s functions in accordance with exam guidelines can boost your confidence and speed. Taking these steps helps you stay compliant and maximize your performance when it matters most.
Graphing and Visualization Features
Choosing a graphing calculator approved for exams is just the first step; you’ll also want to think about how well it handles graphing and visualization. Look for calculators with high-resolution, full-color displays that make graphs and equations clear and easy to differentiate.
Make sure it offers multiple graph styles and split-screen options so you can compare functions side by side. Interactive zoom features let you examine details closely, which helps you understand complex functions better.
Pick a device that supports viewing multiple equations, graphs, and data points simultaneously to streamline your work. Also, check for built-in capabilities to graph scatter plots, histograms, and box-and-whisker plots. That way, you’re ready for diverse math problems across subjects.
These features will really boost your problem-solving efficiency and comprehension.
User Interface and Ease
One of the most important factors you’ll want to evaluate is how easy the calculator is to use. A user-friendly interface helps you navigate functions quickly, which is essential for learning and exam prep. Look for calculators with color displays; they make graphs clearer and help you distinguish between multiple functions easily.
Intuitive key layouts and logical menus reduce the time it takes to master the device, letting you focus on solving problems. Split-screen options are a big plus because they let you view graphs and equations simultaneously, deepening your understanding. Also, consider calculators that support preloaded apps and interactive features. These add helpful tools and visual aids that enhance your overall learning experience.
Programming and Connectivity
When you pick a graphing calculator, pay close attention to its programming and connectivity features, as these can greatly boost your learning and efficiency. Some models let you program directly using languages like Python, which is perfect if you want to customize functions or tackle advanced problems. Check for USB ports or wireless options that let you easily transfer data and programs between your calculator and computer. This makes sharing work and backing up data hassle-free.
Also, calculators with preloaded apps or built-in file storage can save you time by organizing your programs and datasets. Finally, make sure your choice is approved for standardized tests like the AP, SAT, or ACT so you can rely on it during exams without any issues.
Frequently Asked Questions
Are Graphing Calculators Allowed on Standardized Tests?
Yes, you can use graphing calculators on many standardized tests, but it depends on the specific exam’s rules. Tests like the SAT and ACT allow certain models, but they ban calculators with QWERTY keyboards or those that can connect to the internet. Always check the test’s official calculator policy before your exam.
Bringing an approved graphing calculator can help you solve complex math problems more efficiently during the test. It’s a handy tool, but just make sure it’s on the list of allowed devices. That way, you won’t run into any surprises on test day.
How Long Do Graphing Calculator Batteries Typically Last?
Graphing calculator batteries typically last anywhere from several months to a couple of years, depending on usage. If you use your calculator heavily for exams or classes, you might need to replace batteries more often.
Many models use replaceable AAA or button cell batteries, while some have rechargeable options that can last weeks on a single charge. To keep your calculator ready, always keep spare batteries or a charger handy.
Can Graphing Calculators Connect to Smartphones or Computers?
Yes, graphing calculators can connect to smartphones or computers, like a bridge linking two islands. You’ll often use USB cables, Bluetooth, or specialized apps to transfer data, update software, or share graphs.
This connectivity makes it easier for you to save work, print, or even use your phone as a remote display. Just check your calculator’s model for compatibility, since not all support every connection method.
Do Graphing Calculators Require Software Updates?
Yes, graphing calculators do require software updates. You’ll want to keep your calculator’s firmware up to date to guarantee it runs smoothly and has the latest features or bug fixes.
Most models let you connect to a computer or smartphone to download updates easily. Staying current helps avoid glitches during exams or projects, so make it a habit to check for updates regularly and install them when available.
Are There Any Trade-In Programs for Old Graphing Calculators?
Yes, some companies and retailers offer trade-in programs for old graphing calculators. You can often exchange your used calculator for credit toward a new model, saving you money.
Check with major brands like Texas Instruments or Casio and popular electronics stores. Schools sometimes run trade-in events too. It’s a smart way to upgrade without paying full price, so don’t hesitate to explore these options before buying your next calculator.
Conclusion
Choosing the perfect graphing calculator for high school feels like picking the right tool to access a world of numbers and equations. Imagine confidently tackling complex problems with a sleek device in your hand, colors lighting up the screen as your answers take shape.
Whether it’s the trusted Texas Instruments or a sharp CATIGA model, your ideal calculator is waiting to make math clearer, faster, and even a little exciting. Get ready to conquer every equation with ease!




