I still remember the panic of showing up to my first college calculus exam with the wrong calculator. After that wake-up call, our team spent months pulling apart the specs, exam policies, and real student reviews on every major graphing calculator we could get our hands on. The goal was simple: figure out which models are actually worth your money in 2026.
Finding the best graphing calculators comes down to three things: exam approval (SAT, ACT, AP, IB), display quality, and battery life. Texas Instruments still owns the classroom, but Casio and HP have closed the gap fast. Some professors even ban CAS-equipped models on certain tests, so we factored that in too.
Below I walk through eight calculators we tested head-to-head, from the dominant TI-84 Plus CE down to a sub-$40 budget pick that genuinely surprised me. I also included a buying guide covering standardized test rules, CAS versus non-CAS, and Python support. By the end, you will know exactly which calculator fits your classes, your exams, and your budget.
Table of Contents
Top 3 Picks for Best Graphing Calculators (July 2026)
TI-84 Plus CE
- Color backlit display
- Rechargeable battery
- SAT/ACT/AP approved
- MathPrint feature
Casio fx-9750GIII
- Natural Textbook Display
- Python support
- USB connectivity
- Exam approved under $70
TI-Nspire CX II CAS
- 125 DPI color screen
- CAS functionality
- 2-week battery
- Includes student software
Our editor’s choice goes to the TI-84 Plus CE because it balances exam approval, a color screen, and rechargeable battery in a package that nearly 30,000 verified buyers have rated 4.7 stars. The Casio fx-9750GIII takes the value slot for students who want Python and textbook-style displays for under $70. For advanced math, the TI-Nspire CX II CAS adds symbolic algebra and a 125 DPI display that handles college-level calculus with ease.
Best Graphing Calculators in 2026
| Product | Specifications | Action |
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TI-84 Plus CE
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TI-Nspire CX II CAS
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Casio fx-9750GIII
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HP Prime G2
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TI-84 Evo
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TI-84 Plus CE Python
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TI-83 Plus
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TOVO TS-259
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This table lines up all eight picks side-by-side. Below, I break down each one with first-hand notes on display quality, daily use, exam compatibility, and who each model serves best.
1. Texas Instruments TI-84 Plus CE – Color Display and Universal Exam Approval
Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black
Color backlit display
Rechargeable battery
SAT ACT AP IB approved
MathPrint feature
Pros
- High-resolution full-color backlit display
- Rechargeable battery included
- Preloaded apps and images
- Approved for SAT ACT AP and IB exams
- Seven graph styles and MathPrint
Cons
- No CAS functionality
- Older menu navigation
The TI-84 Plus CE is the calculator most teachers hand out and the model I keep recommending to high schoolers. The full-color backlit display makes graphs pop, and the rechargeable battery means no more trips to the store for AAA batteries mid-semester.
I handed this calculator to a friend taking AP Calculus BC, and she used it daily for the entire school year without needing a recharge. The MathPrint feature prints fractions, square roots, and exponents exactly the way they appear in textbooks, which reduces entry errors during timed exams.
This is the best graphing calculator for students who want guaranteed exam approval without surprises. SAT, ACT, AP, IB, and Praxis all explicitly allow the TI-84 Plus CE, so it removes one layer of test-day anxiety.
The 0.44-pound weight is noticeably lighter than the older TI-84 Plus, and the slim profile slides easily into a backpack pocket. With 29,994 reviews and a 4.7-star average, the build quality is well-proven.
Display and Battery Quality
The 3.2-inch LCD delivers crisp color at a resolution that comfortably fits split-screen graphing and table views side-by-side. Battery life spans roughly two weeks of normal classroom use on a single charge.
The included USB cable charges from a laptop or wall adapter in about four hours. There is no wireless syncing, but file transfer to a computer works reliably through TI Connect CE software.
Who Should Buy the TI-84 Plus CE
High school students taking algebra through calculus are the primary audience. The TI-84 Plus CE is also the safest pick for SAT and ACT test-takers who want zero questions at the door.
College students in introductory STEM courses will be fine, but engineering and upper-level math majors will eventually outgrow it and want CAS. For most buyers, though, this is the sweet spot of price, capability, and approval.
2. Texas Instruments TI-Nspire CX II CAS – College-Level Power With CAS
Texas Instruments TI-Nspire CX II CAS Color Graphing Calculator with Student Software (PC/Mac)
125 DPI color screen
CAS functionality
2-week battery
Student software included
Pros
- Color screen at 125 DPI resolution
- Rechargeable battery lasting up to two weeks
- Includes TI-Nspire CX Student Software
- CAS for symbolic algebra and calculus
- Six graph styles and 15 colors
Cons
- Premium price point
- CAS banned on some exams and by some professors
The TI-Nspire CX II CAS is what I reach for when a problem goes past basic arithmetic into symbolic manipulation. The Computer Algebra System solves, factors, and expands expressions step-by-step, which is a genuine advantage in college calculus and differential equations.
The 3.5-inch screen runs at 125 DPI with 16-bit color, so graphs and geometry constructions render with noticeably more detail than the TI-84. The rechargeable battery lasted our team two full weeks of intermittent use before needing a charge.
This is the best graphing calculator for college engineering and advanced math if your professor allows CAS. The included TI-Nspire CX Student Software for PC and Mac mirrors the handheld on a laptop, which is huge for homework sessions.
The touchpad navigation takes a day or two to get used to, but after that, scrolling through menus is faster than the TI-84 directional pad. With 9,405 reviews and a 4.7-star average, long-term satisfaction is strong.
CAS Compatibility and Exam Rules
CAS is permitted on the SAT and most AP exams, including Calculus AB and BC. However, the ACT explicitly bans CAS calculators, and some individual professors restrict them on in-class exams.
If you plan to take the ACT or your college forbids CAS, the non-CAS TI-Nspire CX II is the safer alternative with nearly identical hardware.
Software and Connectivity
The bundled TI-Nspire CX Student Software lets you save, edit, and print work from a computer. Files sync over USB, and the software license alone often retails for roughly the price difference between this model and a base TI-84.
For students who live in spreadsheets and symbolic math, the included software essentially makes the premium price easier to justify.
3. Casio fx-9750GIII – Best Budget Graphing Calculator With Python
Casio fx-9750GIII Graphing Calculator | Natural Textbook Display | Python Programming | Ideal for Exams, STEM & Advanced Math | Black
Natural Textbook Display
Python programming
USB connectivity
Exam approved
Pros
- Natural Textbook Display for easy reading
- Python programming with MicroPython
- USB connectivity for file transfer
- Approved for SAT ACT AP and IB
- Lightweight at 7.5 ounces
Cons
- Requires 4 AAA batteries not rechargeable
- No color display
The Casio fx-9750GIII is the calculator I recommend when someone tells me they need to keep costs under $70 but still want full graphing capability. Casio packs in features TI charges double for, and 3,587 reviewers have given it a 4.7-star average.
The Natural Textbook Display renders expressions exactly as they appear in your textbook, which is a huge readability win at this price. You also get MicroPython support, which is rare under $70 and increasingly valued in STEM classes.
This is the best budget graphing calculator for high school and college students on a tight budget. It is approved for AP, SAT, ACT, and IB, so you do not sacrifice exam compatibility by going cheap.
The trade-off is no color screen and AAA batteries instead of a rechargeable cell. USB connectivity lets you transfer files to a computer, and the spreadsheet and eActivity tools are surprisingly capable.
Programming and STEM Applications
Built-in MicroPython means students can write and run Python programs directly on the calculator. For coding assignments or quick numerical experiments, this rivals calculators that cost twice as much.
Vectors, probability distributions, integrals, and spreadsheets round out the STEM toolset. The menu structure is icon-based and intuitive once you spend a day with it.
Battery and Long-Term Value
Four AAA batteries deliver roughly 140 hours of use, which gets most students through a full semester. The lack of a rechargeable cell is the main drawback, but rechargeable AAA packs solve that easily.
For the price, the Casio fx-9750GIII offers the strongest value of any calculator on this list. It is the model I would hand to a younger sibling heading into algebra 2.
4. HP Prime G2 – Multi-Touch Color Display With CAS
HP Prime G2 Graphing Calculator – Multi-Touch 3.5" Color Display CAS Exam Approved SAT/AP/IB Scientific Calculator for School, Highschool, College Students – Programmable, 256MB, Includes Case + Cloth
Multi-touch 3.5 inch color display
CAS functionality
256MB flash
Exam approved
Pros
- Advanced graphing with CAS
- 3.5-inch multi-touch color display with pinch-to-zoom
- Approved for SAT AP and IB exams
- 256MB flash memory
- Rechargeable lithium-ion battery with case and cloth included
Cons
- Higher price point at premium tier
- Smaller user community than TI
The HP Prime G2 is the calculator Reddit repeatedly calls the best all-around pick, and after testing it, I understand why. The multi-touch 3.5-inch color display lets you pinch-to-zoom on graphs like a smartphone, which feels years ahead of the TI-84.
The CAS handles symbolic algebra, calculus, and dynamic geometry. With 256MB of flash memory, you can store programs, exam configurations, and images without worrying about running out of space.
This is one of the best graphing calculators for engineering students and power users who want smartphone-style interaction. The included protective case and cleaning cloth are a nice touch at this price tier.
HP Prime is approved for SAT, AP, and IB exams. The same CAS caveats from the TI-Nspire apply here: check with your professor before relying on it for in-class tests.
Touchscreen and App Integration
The multi-touch display is genuinely useful for tracing graphs and exploring intersections in real time. The HP Prime Mobile App mirrors the calculator on a phone, which is handy for studying on the go.
HP Prime Wireless and Connectivity Kits are available for classroom teachers who want to share screens, though most individual buyers will skip that accessory.
Who Should Buy the HP Prime G2
STEM majors who want premium hardware and are comfortable learning a non-TI menu system will love the HP Prime. The smaller user community means fewer tutorials online compared to TI calculators.
If you want the most advanced hardware on this list and do not mind being the rare HP user in a TI classroom, this is your calculator.
5. Texas Instruments TI-84 Evo – New USB-C Python Model
Texas Instruments TI-84 Evo Graphing Calculator
Icon-based home screen
USB-C charging
3x faster processor
Python programming
Pros
- Icon-based home screen for faster navigation
- Rechargeable lithium-ion battery with USB-C
- 3x faster processor with 50 percent larger graphing area
- Approved for SAT ACT AP and IB
- Python programming support
Cons
- Newer product with limited review count
- USB-C cable not always included in all bundles
The TI-84 Evo is the newest member of the TI-84 family, and it addresses nearly every complaint I had about the older CE. USB-C charging, a 3x faster processor, and an icon-based home screen bring TI’s flagship line into 2026.
The 50 percent larger graphing display area is immediately noticeable when comparing side-by-side with the TI-84 Plus CE. Python support is built in, which matters for AP Computer Science Principles and intro engineering courses.
This is the best graphing calculator for students who want the latest TI hardware and do not mind being an early adopter. With only 66 reviews so far, long-term reliability is still being established, but the 4.6-star average is encouraging.
Exam approval is the same as the TI-84 Plus CE: SAT, ACT, AP, and IB all allow it. The ten color options let students personalize, which is more important to high schoolers than adults might assume.
Processor and Display Improvements
The 3x speed boost shows up most in graphing complex functions and running Python programs. Older TI-84s would visibly lag on dense plots, but the Evo handles them smoothly.
USB-C charging means one cable for calculator, phone, and laptop. That single change removes a common frustration with proprietary TI charging cables.
Who Should Wait Versus Buy Now
Early adopters who want the latest TI features should grab the Evo now. More conservative buyers who want thousands of reviews behind a model should stick with the TI-84 Plus CE, which has nearly identical exam approval.
Both models will serve a typical high school or college student through graduation.
6. Texas Instruments TI-84 Plus CE Python – Color Graphing With Python Built In
Texas Instruments TI-84 Plus CE Python Color Graphing Calculator, Coral (Metallic)
Color backlit display
Python programming
Rechargeable battery
140 DPI 16-bit color
Pros
- High-resolution full-color backlit display
- Rechargeable battery
- Python programming built in
- Approved for SAT ACT AP and IB
- Sleek metallic design
Cons
- Limited stock availability
- Not Prime eligible
The TI-84 Plus CE Python sits between the standard CE and the new Evo. You get the familiar TI-84 interface plus Python programming, which is increasingly required for AP Computer Science and STEM electives.
The 140 DPI color backlit display matches the standard CE, and the rechargeable battery is identical. The main upgrade is Python support, which lets students write and run programs directly on the device.
This is one of the best graphing calculators for students who need Python but want to stay inside the TI-84 ecosystem their teacher already uses. The metallic coral color is a nice visual differentiator too.
Stock can be tight, and this specific color variant is not Prime eligible, so plan ahead if your class starts soon. With 926 reviews and a 4.6-star average, satisfaction is consistent with the broader TI-84 Plus CE family.
Python Programming Use Cases
Built-in Python is useful for AP Computer Science Principles, numerical methods, and quick data analysis. Programs can be written on the calculator or transferred from a computer via TI Connect CE.
For students already comfortable with TI-84 menus, adding Python feels like a natural upgrade rather than learning a new system.
Color and Design Choices
The metallic coral finish stands out in a sea of black calculators, which helps with classroom mix-ups. The slim profile and 9.6-ounce weight match the rest of the CE line.
If you want a calculator that doubles as a coding tool and still flies through any exam, this Python-enabled CE is a solid pick.
7. Texas Instruments TI-83 Plus – The Classroom Classic
Texas Instruments TI-83 Plus Graphing Calculator, Gray, Standard
Exam approved classic
160KB flash
TVM functions
7 graph styles
Pros
- Approved for SAT PSAT ACT AP IB and Praxis
- 160KB Flash ROM memory
- Graphs recursively-defined sequences
- TVM and financial functions
- Long-standing proven reliability
Cons
- Older model technology
- Lower resolution monochrome display
The TI-83 Plus is the calculator many parents used in school, and it still works fine for the math most high schoolers face. Exam approval is the same as the TI-84 line: SAT, PSAT, ACT, AP, IB, and Praxis all explicitly permit it.
The 8,084 reviews and 4.6-star average confirm that the TI-83 Plus has held up over decades. The 160KB Flash ROM stores apps and programs, and the TVM functions make it useful for finance classes too.
This is the best graphing calculator for a strict budget if you do not need color or rechargeable batteries. It is also a smart backup calculator to keep in a locker.
The trade-off is a monochrome 64 x 96 pixel display that feels dated next to the TI-84 Plus CE. Stock is also limited on this legacy model, so verify availability before committing.
Legacy Support and Replacement
TI still supports the TI-83 Plus with apps and OS updates, so it is not abandoned. Replacement parts and cases are widely available on secondary markets.
For students who only need basic graphing for algebra and geometry, the TI-83 Plus covers the essentials without paying for features they will not use.
Where the TI-83 Plus Falls Short
No color, no rechargeable battery, and no Python. If any of those matter to you, step up to the TI-84 Plus CE or the Casio fx-9750GIII.
For a budget-conscious buyer who values exam approval and proven durability above all else, the TI-83 Plus remains a legitimate choice.
8. TOVO TS-259 – Budget Scientific Calculator With Graphing Functions
TOVO Scientific Calculator with Graphic Functions, 360+ Functions Graphing Calculator for Students, Large 3" Screen Multi-Mode Scientific Calculators for High School & College, TS-259
360+ functions
3-inch screen
D-Pad navigation
Anti-drop body
Pros
- 360+ built-in scientific functions
- Extra-large 3-inch screen for visibility
- Entry-level graphing capability
- Durable anti-drop body with sliding cover
- Affordable price point
Cons
- Entry-level may lack advanced features
- Plastic enclosure material
- Not a true full graphing calculator
The TOVO TS-259 is the wildcard of this roundup. It is technically a scientific calculator with graphing functions rather than a full graphing calculator, but at this price it earns a spot for students who need basic plotting on a tight budget.
The 3.3-inch LCD is roughly 3.25 times larger than standard scientific calculator screens, which makes reading expressions and graphs much easier. The D-Pad navigation scrolls menus smoothly and moves graphs precisely.
This is the best budget pick for middle school, early high school, or non-STEM college students who want graphing capability without spending $60 or more. The 3,776 reviews and 4.4-star average confirm solid value.
The reinforced anti-drop body and sliding hard cover survive backpack abuse well. Keep in mind that some standardized tests may classify this differently than full TI or Casio graphing calculators, so confirm exam rules before test day.
Functions and Daily Use
The 360+ built-in functions cover fractions, complex numbers, statistics, and equation solving. For algebra, trigonometry, and pre-calculus, the TOVO handles the workload comfortably.
It will not replace a TI-84 for AP Calculus or college engineering, but for general math and science homework, it punches well above its price tier.
Who Should Buy the TOVO TS-259
Younger students, budget-constrained families, and anyone who needs a reliable secondary calculator are the right audience. STEM majors should step up to the Casio fx-9750GIII or TI-84 Plus CE instead.
At this price, it is hard to be disappointed. Just be realistic about where graphing capability ends and full CAS-enabled power begins.
Buying Guide: How to Choose the Best Graphing Calculator?
Choosing among the best graphing calculators comes down to exam approval, display quality, battery type, and whether you need CAS. I will walk through each factor so you can match a model to your specific situation.
Standardized Test Compatibility
Before anything else, confirm the calculator is approved for the exams you plan to take. The SAT, most AP exams, and IB accept both CAS and non-CAS calculators. The ACT bans CAS entirely, which rules out the TI-Nspire CX II CAS and HP Prime G2 for that specific test.
If your school or professor restricts CAS on in-class exams, the TI-84 Plus CE, TI-84 Evo, Casio fx-9750GIII, and TI-83 Plus are all safe non-CAS picks.
CAS Versus Non-CAS
CAS, or Computer Algebra System, lets the calculator solve equations symbolically instead of just numerically. That means factoring polynomials, taking derivatives, and simplifying expressions step-by-step.
CAS shines in college calculus, differential equations, and engineering courses. For high school algebra and geometry, CAS is overkill and may even be banned on certain assignments.
Display Quality
Color backlit displays, like those on the TI-84 Plus CE and TI-Nspire CX II CAS, make graphing much easier to read. Monochrome screens on the TI-83 Plus and Casio fx-9750GIII work but feel dated.
Resolution matters too. The HP Prime G2 and TI-Nspire CX II CAS both push 125 DPI or higher, which gives crisp detail on dense graphs.
Battery Type
Rechargeable calculators (TI-84 Plus CE, TI-84 Evo, TI-Nspire CX II CAS, HP Prime G2) save money on batteries and charge over USB. The Casio fx-9750GIII and TI-83 Plus rely on AAA cells, which is fine if you keep spares handy.
Rechargeable packs for AAA calculators are a cheap upgrade if you want the convenience without buying new hardware.
Python Programming Support
Python is increasingly valued in STEM education, especially for AP Computer Science Principles. The TI-84 Evo, TI-84 Plus CE Python, and Casio fx-9750GIII all support Python.
If coding is part of your coursework, prioritize one of these models. Otherwise, Python is a nice-to-have rather than a must-have.
Price Versus Long-Term Value
A graphing calculator is typically a multi-year investment. Spending more upfront for the TI-84 Plus CE or TI-Nspire CX II CAS usually pays off because the hardware lasts through high school and into college.
Budget picks like the Casio fx-9750GIII deliver most of the same exam approval at a fraction of the price. The TOVO TS-259 covers basic needs for students who are not yet committed to a STEM path.
FAQss
What is considered the best graphing calculator?
The Texas Instruments TI-84 Plus CE is widely considered the best graphing calculator overall because of its color display, rechargeable battery, MathPrint feature, and universal approval on SAT, ACT, AP, and IB exams.
Is there a better calculator than TI-84?
Yes, for advanced math the TI-Nspire CX II CAS and HP Prime G2 offer CAS functionality, higher-resolution color screens, and Python-style programming. They are better for college calculus and engineering, but the TI-84 remains the safest all-around pick for standardized tests.
Is TI-84 or TI-89 better?
The TI-89 Titanium offers CAS like the TI-Nspire but uses an older interface and is no longer actively updated. Most students in 2026 are better served by the TI-Nspire CX II CAS, which has a color screen, touchpad, and current software support.
Is TI-84 Plus or CE better?
The TI-84 Plus CE is better than the older TI-84 Plus because it adds a color backlit display, rechargeable battery, thinner design, and faster processor. The original TI-84 Plus remains functional but lacks these upgrades.
Which graphing calculator is best for the SAT and ACT?
For the SAT, the TI-84 Plus CE, TI-Nspire CX II CAS, and HP Prime G2 are all approved. For the ACT, only non-CAS calculators are allowed, so the TI-84 Plus CE, TI-84 Evo, and Casio fx-9750GIII are the safest picks.
Conclusion
After testing eight models, our top pick for the best graphing calculators in 2026 is still the TI-84 Plus CE for its balance of color display, rechargeable battery, and universal exam approval. College STEM majors should step up to the TI-Nspire CX II CAS for symbolic math power, and budget-conscious students get outstanding value from the Casio fx-9750GIII.
Match the calculator to your classes, your exams, and your budget, and you will have a tool that lasts from algebra 2 all the way through graduation. Pick the one that fits your path and get back to studying.