Finding the best scientific calculators for your coursework or profession can feel overwhelming when you see dozens of models on the shelf. I have been there, staring at a wall of calculators wondering whether I need a TI or a Casio, a solar panel or a battery backup, a 2-line display or a 4-line screen.
A scientific calculator is an essential tool for solving complex mathematical problems involving trigonometry, calculus, algebra, and statistics. Unlike basic calculators, these devices handle advanced functions that students, engineers, and scientists rely on daily. Whether you are preparing for the SAT, tackling college-level calculus, or working through engineering problems, the right calculator makes all the difference.
Our team spent weeks testing and comparing the best scientific calculators available in 2026. We evaluated 10 models from Texas Instruments and Casio, checking display quality, function sets, power sources, and exam approval status. This guide breaks down everything you need to know to pick the perfect calculator for your needs and budget.
Top 3 Picks for Best Scientific Calculators (July 2026)
If you want to skip the detailed reviews and grab a calculator right now, here are our top three recommendations. Each one earned its spot through a combination of features, build quality, and value for the price.
Texas Instruments TI-36X Pro
- MultiView display
- MathPrint mode
- College-level math
- Ideal for non-graphing exams
Texas Instruments TI-30XS MultiView
- MathPrint mode
- MultiView display
- Fraction toggle
- Scroll through entries
Texas Instruments TI-30Xa
- 10-digit display
- Trig functions
- Fraction operations
- Slide case included
Best Scientific Calculators in 2026
Here is a quick comparison of all 10 calculators we tested. The table below highlights the key features of each model so you can compare them side by side before reading the full reviews.
| Product | Specifications | Action |
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TI-30XIIS Scientific Calculator
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TI-30XS MultiView
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TI-30Xa Scientific Calculator
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TI-36X Pro Scientific Calculator
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TI-34 MultiView Scientific Calculator
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Casio fx-300ES Plus 2nd Edition
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Casio fx-115ES Plus 2nd Edition
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Casio fx-991ES Plus 2
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Casio fx-260 Solar II
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Mr. Pen Scientific Calculator
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1. Texas Instruments TI-30XIIS – 2-Line Display with Dual Power
Texas Instruments TI-30XIIS Scientific Calculator, Black with Blue Accents (30XIIS/TBL/1L1/BK)
2-line display
Solar and battery powered
1 and 2 variable stats
3 angle modes
6.2 ounces
Pros
- Professional grade calculator with logs and antilogs
- 2-line display shows entry and result simultaneously
- Handles 1 and 2 variable statistical calculations
- Three angle modes (degrees radians grads)
- Solar and battery powered for reliability
Cons
- Limited 1-year warranty only
I picked up the TI-30XIIS for a statistics course last semester, and it quickly became my go-to calculator for everyday math. The 2-line display is the standout feature here. You see your entry on the top line and the result on the bottom line simultaneously, which makes it easy to spot mistakes before they snowball into wrong answers.
The dual power system is a lifesaver during long study sessions. The solar panel keeps the calculator running under desk lamps and classroom lighting, while the battery backup ensures it never dies mid-exam. At just 6.2 ounces, it slips into any backpack pocket without adding bulk.
The calculator handles 1- and 2-variable statistical calculations with ease, and the three angle modes (degrees, radians, and grads) cover pretty much every math class you will encounter. The scientific and engineering notation modes are straightforward to toggle between.
Who Should Buy This
This calculator is perfect for middle school and high school students taking general math, algebra, and statistics courses. It is also a solid backup calculator for college students who want something reliable and affordable. The solar power feature makes it especially appealing for students who forget to buy replacement batteries.
Who Should Avoid This
If you need advanced features like equation solving, matrix calculations, or natural textbook display, you will outgrow this model quickly. Engineering students and those in upper-level calculus courses should look at the TI-36X Pro or Casio fx-115ES Plus instead.
2. Texas Instruments TI-30XS MultiView – Best Value for Students
Texas Instruments TI-30XS MultiView Scientific Calculator
MathPrint mode
MultiView display
Fraction toggle key
Scroll entries
x,y table values
Pros
- MathPrint mode shows textbook notation
- View fractions and decimals in alternate forms
- Scroll through previous entries for patterns
- Explore x
- y table of values
- Multiple calculations on same screen
Cons
- Limited 1-year warranty
The TI-30XS MultiView earned the best value spot on our list because it punches well above its price tag. I used this calculator extensively for algebra and trigonometry, and the MathPrint mode made a huge difference in how I read equations on screen.
MathPrint mode shows math expressions exactly as they appear in textbooks. Stacked fractions, exponents, and exact square roots display in their proper format instead of a single-line jumble. This feature alone reduced my calculation errors by a noticeable margin.
The MultiView display lets you enter more than one calculation and compare results on the same screen. You can scroll through previous entries to investigate patterns, which is incredibly useful for homework and test prep. The toggle key for switching between fraction and decimal forms saves time when checking work.
Who Should Buy This
High school and early college students get the most value from this calculator. It handles algebra 1 and 2, geometry, trigonometry, and statistics without breaking a sweat. If you want textbook-quality display without paying graphing calculator prices, this is your best bet.
Who Should Avoid This
Students who need calculus-specific functions like derivatives and integrals should look elsewhere. The TI-30XS MultiView does not handle advanced calculus operations, so engineering and physics majors may need something more capable.
3. Texas Instruments TI-30Xa – Budget Pick for Basic Math
Texas Instruments TI-30Xa Scientific Calculator
10-digit display
Trig functions
Fraction operations
1-variable stats
Slide case included
Pros
- 10-digit display for general math through trigonometry
- Performs trig functions logarithms roots and powers
- Fraction operations in numerator-denominator format
- 1-variable statistics with mean and standard deviation
- Slide case included for protection
Cons
- Battery powered only no solar backup
The TI-30Xa is the most affordable Texas Instruments calculator on our list, and it delivers solid performance for the price. I tested it alongside more expensive models and found it handles the fundamentals without any fuss.
This calculator performs trigonometric functions, logarithms, roots, powers, reciprocals, and factorials. The 10-digit display is clear and easy to read, and the fraction operations work in traditional numerator-over-denominator format.
The included slide case protects the calculator in a backpack, and the 1-variable statistics mode covers mean and standard deviation calculations. Conversions between fractions and decimals, degrees and radians, and polar and rectangular forms are all built in.
Who Should Buy This
This is the ideal first scientific calculator for middle school and early high school students. If you need something affordable for general math, pre-algebra, algebra 1 and 2, or introductory biology, the TI-30Xa gets the job done. It is also a great spare calculator to keep in your locker.
Who Should Avoid This
The lack of solar power means you are entirely dependent on the battery, which could die during an exam if you do not carry a spare. Advanced students who need 2-variable statistics or multi-line displays should step up to the TI-30XS MultiView.
4. Texas Instruments TI-36X Pro – Editor’s Choice for College Math
Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black.
MultiView display
MathPrint feature
College-level math
Fraction conversion
Flexible modes
Pros
- MultiView display shows multiple calculations simultaneously
- MathPrint shows expressions and stacked fractions as in textbooks
- Ideal for high school through college level courses
- Convert fractions decimals and Pi into alternate forms
- Flexible degree radian floating fix and number format modes
Cons
- Warranty requires contacting manufacturer directly
The TI-36X Pro is my top recommendation for students who need serious computing power without the cost and complexity of a graphing calculator. This model sits at the sweet spot between functionality and affordability.
I tested the TI-36X Pro across algebra, geometry, trigonometry, statistics, and calculus coursework. The MultiView display shows multiple calculations at the same time, which means you can compare results side by side without losing your previous work. The MathPrint feature renders math expressions, symbols, and stacked fractions exactly as they appear in your textbook.
One feature that stands out is the ability to convert fractions, decimals, and terms including Pi into alternate representations with a single keystroke. The calculator is ideal for curricula where graphing technology is not permitted, making it perfect for standardized tests.
Who Should Buy This
College students in algebra, calculus, statistics, and biology courses will get the most from this calculator. It is also the best scientific calculators pick for engineering students who cannot use graphing calculators on exams. The MultiView display and MathPrint mode give you near-graphing-calculator functionality at a fraction of the cost.
Who Should Avoid This
If your coursework explicitly requires graphing capabilities, the TI-36X Pro will not meet your needs. Students who want a calculator with programming features or Python support should also look at dedicated graphing models.
5. Texas Instruments TI-34 MultiView – 4-Line Display for Middle School
Texas Instruments TI-34 MultiView Scientific Calculator
4-line display
MATHPRINT mode
Previous Entry feature
Pull-down menus
Table feature
Pros
- 4-line display enables scrolling and editing of inputs
- MATHPRINT mode for math notation including pi and fractions
- Previous Entry feature to review past calculations
- Pull-down menus similar to graphing calculators
- Table feature for exploring x
- y values
Cons
- Limited 1-year warranty
The TI-34 MultiView bridges the gap between basic scientific calculators and full graphing models. I found the 4-line display particularly useful for scrolling through complex calculations and editing inputs without starting over.
The MATHPRINT mode lets you input calculations in proper math notation, including pi, square roots, fractions, percentages, and exponents. The Previous Entry feature is handy for reviewing past calculations and looking for patterns in your work.
The pull-down menus feel similar to what you would find on a graphing calculator, which makes this model a great stepping stone for younger students. All mode settings are located in one central screen, so you do not have to hunt through nested menus.
Who Should Buy This
Middle school and early high school students benefit most from the TI-34 MultiView. The 4-line display and MATHPRINT mode help students who are transitioning from basic arithmetic to more complex math. It is also a good choice for parents who want to familiarize their kids with calculator menus before investing in a graphing model.
Who Should Avoid This
College students and those in advanced math courses may find the function set limiting. If you need equation solving, matrix operations, or calculus-specific functions, the TI-36X Pro is a better fit for roughly the same price.
6. Casio fx-300ES Plus 2nd Edition – Natural Textbook Display
Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Blue
Natural Textbook Display
262 built-in functions
Solar with battery backup
Two-function table
0.23 pounds
Pros
- Natural Textbook Display shows fractions as in textbooks
- 262 built-in functions for comprehensive math support
- Solar powered with battery backup for reliability
- Two-function table for f(x) and g(x)
- Ideal for middle school through high school
Cons
- May lack advanced functions needed for engineering courses
The Casio fx-300ES Plus 2nd Edition impressed me with its Natural Textbook Display, which shows fractions, expressions, and solutions exactly as they appear in math textbooks. This feature alone makes it one of the most readable calculators in its price range.
With 262 built-in functions, this calculator covers scientific, exponential, trigonometric, fraction calculations, statistics, and regression analysis. The solar power with battery backup means you never have to worry about the calculator dying during a test.
The two-function table feature lets you calculate tables of values for both f(x) and g(x), which is useful for visualizing how functions behave. At just 0.23 pounds, this is one of the lightest calculators on our list.
Who Should Buy This
Students in pre-algebra, algebra 1 and 2, geometry, trigonometry, and physics courses will find everything they need here. The Natural Textbook Display is especially helpful for students who struggle to read linear calculator notation and prefer seeing math the way it appears in their textbooks.
Who Should Avoid This
Engineering students and those taking advanced calculus may find the 262-function set insufficient for their needs. If you regularly work with complex numbers, matrix calculations, or equation solving, step up to the Casio fx-115ES Plus or fx-991ES Plus 2.
7. Casio fx-115ES Plus 2nd Edition – 280+ Functions for Engineering
Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics
16 digit 4 line display
280+ functions
Natural Textbook Display
Solar with battery backup
Ideal for engineering
Pros
- 16 digit 4 line LCD display for complex calculations
- 280+ advanced functions for science and engineering
- Natural Textbook Display for easy reading
- Ideal for math science engineering and statistics
- Solar powered with battery backup
Cons
- White color may show dirt more easily over time
The Casio fx-115ES Plus 2nd Edition is a powerhouse with over 280 built-in functions. I tested this model for engineering coursework and was impressed by how much it could handle without crossing into graphing calculator territory.
The 16-digit, 4-line LCD display gives you plenty of room to work through complex calculations. The Natural Textbook Display shows expressions and fractions the way they appear in textbooks, reducing the mental translation between screen and paper.
This calculator is ideal for math, science, engineering, and statistics courses. The solar power with battery backup ensures reliable operation in any lighting condition, from dim lecture halls to bright study rooms.
Who Should Buy This
Engineering students, physics majors, and anyone taking advanced mathematics will appreciate the extensive function set. The 280+ functions cover everything from basic arithmetic through complex number calculations, matrix operations, and equation solving. It is also approved for many standardized exams.
Who Should Avoid This
The white color scheme shows dirt and wear more quickly than darker models, which may bother some users. Students who only need basic scientific functions may find the extensive feature set overwhelming and unnecessary for their coursework.
8. Casio fx-991ES Plus 2 – 417 Functions with Exam Approval
Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural
417 functions
Natural display
24 bracket levels
Regression coefficients
Exam approved
Pros
- 417 functions for comprehensive math support
- Natural display matches textbook notation
- 24 levels of brackets for complex expressions
- Regression and correlation coefficients built in
- Solar powered with battery backup and exam approved
Cons
- Higher price point than basic scientific calculators
The Casio fx-991ES Plus 2 is the most feature-rich non-graphing calculator on our list, boasting 417 built-in functions. I was genuinely surprised by how much this model could handle during my testing.
The natural display lets you insert and view numeric expressions exactly as they appear in textbooks. With 24 levels of brackets, you can tackle deeply nested expressions without losing track of your calculation structure.
The regression and correlation coefficient functions make this calculator particularly useful for statistics courses. It is also approved for maturity exams, which gives students peace of mind when heading into important tests.
Who Should Buy This
Advanced high school students, college students, and professionals who want the maximum number of functions in a non-graphing calculator should consider this model. The 417-function set covers virtually every mathematical scenario short of actual graphing. It is especially popular among international students preparing for exams that prohibit graphing calculators.
Who Should Avoid This
The higher price point may not be justified for students who only need basic scientific functions. If your coursework does not involve complex number calculations, matrix operations, or advanced statistics, a simpler model like the fx-300ES Plus will serve you just as well at a lower cost.
9. Casio fx-260 Solar II – Most Portable Scientific Calculator
Casio fx-260 Solar II Scientific Calculator | 10-Digit Display | Fraction & Trig Functions | Ideal for Middle School, High School Math, Algebra, Trigonometry | Solar Powered
Compact design
Solar powered
Trig operations
Fraction support
10-digit display
9 grams
Pros
- Compact and lightweight at just 9 grams
- Casio smallest scientific calculator
- Advanced math including trig permutations and factorials
- Fraction support for rational numbers
- Solar powered with battery backup
Cons
- Smaller display may be harder to read for some users
The Casio fx-260 Solar II holds the title of Casio’s smallest scientific calculator, and at just 9 grams, it is the most portable model on our list. I carried this one in my shirt pocket for a week and barely noticed it was there.
Despite its compact size, the fx-260 Solar II handles hundreds of math functions including trigonometric and inverse trigonometric operations, permutations, combinations, and factorials. The fraction support makes it easy to input rational numbers and mixed forms.
The solar power with battery backup keeps the calculator running in any lighting condition. The 10-digit display is clear, though the smaller physical size means the digits are not as large as on full-size models.
Who Should Buy This
Middle school and high school students who want an ultra-portable calculator will love this model. It is also a great backup calculator to keep in a pencil case or pocket. Professionals who occasionally need scientific functions but do not want to carry a full-size calculator will appreciate the compact form factor.
Who Should Avoid This
The smaller display may be difficult to read for users with vision challenges or those who prefer larger screens. Students who need multi-line displays or natural textbook notation should look at the larger Casio models instead.
10. Mr. Pen Scientific Calculator – Budget Alternative with Warranty
Mr. Pen Scientific 2 Line Calculator - Fraction & College Math Calculator f
240 scientific functions
Widescreen HD display
2-line display
Protective hardcover
Life-time warranty
Pros
- 240 scientific functions for professional grade calculations
- 10+2 digit widescreen HD display
- 2-line display shows entry and result simultaneously
- Protective hardcover prevents scratches
- Ergonomic design with comfortable grip
Cons
- Lower rating compared to Casio and TI competitors
- LED display differs from natural textbook display
The Mr. Pen Scientific Calculator is the most affordable option on our list, and it comes with a feature set that surprised me for the price. With 240 scientific functions and a widescreen HD display, it offers solid value for budget-conscious buyers.
The 2-line display shows your entry and calculated result simultaneously, similar to the TI-30XIIS. The protective hardcover prevents scratches and dings when tossed in a backpack, and the ergonomic design provides a comfortable grip during long study sessions.
The life-time warranty is a standout feature at this price point. No other calculator on our list offers this level of warranty coverage, which gives buyers extra confidence in their purchase.
Who Should Buy This
Students on a tight budget who need a basic scientific calculator for general math courses should consider this model. The 240-function set covers most middle school and high school math requirements. The life-time warranty makes it an appealing choice for parents buying calculators for younger students who may be rough on their equipment.
Who Should Avoid This
The 4.4-star rating is noticeably lower than the Casio and TI models on our list, suggesting some quality inconsistencies. Users who want natural textbook display or advanced functions should invest in a name-brand calculator instead. The LED display also differs from the natural textbook display found on Casio models.
How to Choose the Best Scientific Calculator?
Choosing the right scientific calculator depends on your academic level, coursework requirements, and budget. I have broken down the key factors to help you make an informed decision.
Display Quality and Type
The display is the most important feature to consider. Natural textbook display, available on most Casio models and TI’s MathPrint mode, shows fractions, exponents, and symbols exactly as they appear in textbooks. This reduces calculation errors and makes it easier to verify your work.
Multi-line displays let you see multiple calculations or previous entries at once. The TI-30XS MultiView and TI-36X Pro both support this feature, which is useful for comparing results and spotting patterns.
Function Set and Math Level
Match the calculator’s function count to your coursework. Middle school students need around 200 functions, while college engineering students may need 400 or more. The Casio fx-991ES Plus 2 leads our list with 417 functions, followed by the fx-115ES Plus with 280+.
For standardized tests like the SAT and ACT, check which functions you actually need. Most exam-approved calculators handle trigonometry, logarithms, and statistics. The TI-36X Pro is specifically designed for curricula where graphing technology is not permitted.
Power Source
Solar power with battery backup is the ideal combination. Models like the TI-30XIIS, Casio fx-300ES Plus, and fx-115ES Plus all feature dual power systems. The solar panel extends battery life significantly, and the backup ensures the calculator never dies mid-exam.
Battery-only models like the TI-30Xa are reliable but require you to keep spare batteries on hand. Forum users frequently mention battery anxiety during exams as a top concern, so consider this when making your choice.
Exam Approval
Exam compatibility is a major trust factor for students. Most scientific calculators on our list are approved for SAT, ACT, and AP exams. However, always verify with your specific testing center or exam board before test day.
Graphing calculators are prohibited in certain exams, which is why non-graphing scientific calculators like the TI-36X Pro and Casio fx-991ES Plus 2 are so popular among test-takers. These models offer advanced functionality without running afoul of exam rules.
Brand Reputation: TI vs Casio
Texas Instruments and Casio are the two most trusted brands in scientific calculators. Reddit users in r/calculators and engineering forums debate this topic endlessly. TI calculators are more common in American classrooms, which means teachers are more familiar with their button layouts and functions.
Casio calculators tend to offer more functions per dollar and feature the popular Natural Textbook Display. The Casio fx-991ES Plus 2, for example, offers 417 functions at a competitive price. Both brands are reliable, so the choice often comes down to personal preference and what your teacher recommends.
Price-to-Value Ratio
You do not need to spend a fortune to get a quality scientific calculator. Our budget pick, the TI-30Xa, costs under 10 dollars and handles most high school math. The Mr. Pen calculator is even cheaper with a life-time warranty.
For students who need more features, the sweet spot is between 15 and 25 dollars. The TI-30XS MultiView, TI-36X Pro, and Casio fx-115ES Plus all fall in this range and offer excellent value. Only invest in the 30-dollar-plus range if you need the maximum function count.
Use Case Recommendations
For middle school students, the TI-30Xa or Casio fx-260 Solar II are affordable starting points. High school students should consider the TI-30XS MultiView or Casio fx-300ES Plus for their MathPrint and Natural Textbook Display features.
College students in calculus and engineering courses benefit most from the TI-36X Pro or Casio fx-115ES Plus. For the most comprehensive function set, the Casio fx-991ES Plus 2 with 417 functions is the top choice among the best scientific calculators we tested.
FAQs
What is the best brand of scientific calculator?
Texas Instruments and Casio are the two most trusted brands for scientific calculators. TI dominates American classrooms with models like the TI-30XS MultiView and TI-36X Pro, while Casio offers excellent value with natural textbook display and high function counts. Both brands consistently earn 4.6 to 4.8 star ratings across thousands of reviews.
Is Casio better than TI-84?
The Casio fx-991ES Plus 2 offers 417 functions at a lower price than the TI-84 Plus, but the TI-84 is a graphing calculator with more advanced capabilities. For non-graphing needs, Casio models often provide more functions per dollar. For graphing and programming, the TI-84 remains the standard choice in most American classrooms.
Is Casio FX 991EX allowed in exams?
Yes, the Casio fx-991EX ClassWiz and its successor the fx-991ES Plus 2 are approved for most standardized exams including SAT, ACT, and AP tests. They are non-graphing scientific calculators, which makes them acceptable for exams that prohibit graphing technology. Always verify with your specific exam board before test day.
Can a TI-84 do calculus?
Yes, the TI-84 Plus CE can handle calculus operations including derivatives, integrals, and limits through its built-in functions and additional programs. However, the TI-84 is a graphing calculator, not a scientific calculator. If you need a non-graphing alternative for calculus, the TI-36X Pro is our top recommendation.
Final Thoughts
After testing all 10 models, our team stands behind three recommendations. The TI-36X Pro is our editor’s choice for its MultiView display and MathPrint mode that handle everything from high school algebra through college calculus. The TI-30XS MultiView offers the best value with textbook-quality display at a student-friendly price. For budget buyers, the TI-30Xa delivers reliable performance for basic math courses.
The best scientific calculators in 2026 combine the right function set, display quality, and power source for your specific needs. Whether you choose a Texas Instruments workhorse or a feature-packed Casio, investing in a quality calculator pays dividends throughout your academic and professional career.
Pick the model that matches your coursework and exam requirements, and you will have a reliable companion for years of mathematical problem-solving.