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Best Calculators for High School and College
Explore the 10 best calculators for high school and college students—featuring graphing, scientific, and CAS models for math, science, and standardized exams.
Dale Harris
May 22, 2025
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Whether you're solving algebraic equations, graphing complex functions, or tackling college-level calculus, the best calculators for high school and college are the unsung heroes of academic success. The right calculator doesn’t just crunch numbers—it empowers students to visualize problems, save time on tests, and master even the most intimidating formulas.
This guide breaks down the top 10 calculators that balance functionality, ease of use, and long-term value. From graphing powerhouses to sleek scientific models, we’ve got picks for every math level and major.
Top Picks at a Glance
Product | Key Feature | Buy Link |
|---|---|---|
TI-84 Plus CE Graphing Calculator | Color display + test-approved performance | |
Casio fx-991EX Classwiz | Fast scientific functions + QR code visualization | |
TI-Nspire CX II CAS | Advanced graphing + Computer Algebra System (CAS) |
1. TI-84 Plus CE Graphing Calculator
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An absolute staple in both high school and college classrooms, the TI-84 Plus CE is known for its bright color screen, long battery life, and intuitive layout. It’s perfect for everything from algebra to AP Calculus and standardized tests like the SAT or ACT. The built-in apps and graphing tools help students visualize problems quickly. Ideal for math majors, STEM students, or anyone who wants a reliable, approved graphing companion.
2. Casio fx-991EX Classwiz
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Sleek, fast, and wildly underrated, the Casio Classwiz fx-991EX is one of the best scientific calculators on the market. It’s non-programmable, which means it’s exam-friendly across most testing boards, and includes over 550 functions—from statistics to base-n calculations. It even generates QR codes to view graphs on your smartphone. Great for high schoolers in advanced math or college students who don’t need a full graphing calculator.
3. TI-Nspire CX II CAS
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This is the Cadillac of calculators. The TI-Nspire CX II CAS includes a full-blown Computer Algebra System, which means it can solve equations symbolically (e.g., solving for x in terms of y). It’s great for engineering, physics, and college-level math. However, it’s not allowed on some standardized tests—so check test guidelines before buying. Ideal for serious STEM students who want power and precision.
4. Casio fx-9750GIII
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If you're looking for a graphing calculator that doesn't break the bank, the Casio fx-9750GIII offers everything you need: speedy graphing, USB connectivity, and exam-mode functionality. It’s compatible with ACT, SAT, and AP exams. A great pick for high schoolers just starting to use graphing functions or budget-conscious college students.
5. HP Prime Scientific Graphing Calculator
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The HP Prime Graphing Calculator features a sleek touchscreen, fast performance, and powerful tools—perfect for advanced math, science, and exam prep.
6. Sharp EL-W516TBSL
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With WriteView display technology, the Sharp EL-W516TBSL shows equations just as they’re written in textbooks, making it easier to follow along and spot errors. It includes 640 functions, multi-line playback, and a durable keyboard layout. Great for high school and college students who want advanced scientific capabilities with user-friendly visuals.
7. TI-30XS MultiView Scientific Calculator
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This budget-friendly option is required in thousands of classrooms across the U.S. The TI-30XS MultiView allows users to enter multiple calculations, compare results side-by-side, and scroll through previous entries. It’s simple, clear, and perfect for general science and math courses that don’t require graphing. Best for freshman-level college students or general education requirements.
8. Nadex Graphing Calculator
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Sleek and modern with a smartphone-like touchscreen, the Nadex Graphing Calculator is for students who love tech-forward solutions. It supports CAS, has wireless connectivity, and can handle everything from geometry to linear algebra. However, its interface takes some getting used to. Perfect for tech-savvy STEM majors ready to push the limits of what's possible in a handheld calculator.
9. Catiga Scientific Calculator
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The Catiga Scientific Calculator combines a beginner-friendly interface with 648 functions and a clear four-line display. It’s durable, responsive, and easy to read—especially for visual learners. Great for high schoolers and undergrads taking chemistry, physics, or geometry.
10. Texas Instruments TI-89 Titanium
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Though slightly older, the TI-89 Titanium is still beloved for its robust CAS system, massive storage, and advanced programming capabilities. It’s often used in college-level engineering, calculus, and programming courses. Just double-check if it’s allowed for your tests. Best for upper-level students who need serious power and don’t mind a throwback design.
Find the Best Calculator for School Today
No matter where you are in your academic journey, the right calculator can give you an edge. From mastering math basics to engineering-level problem solving, this list offers something for everyone. Invest in a tool that works as hard as you do—because success is easier when the numbers make sense.
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