April 1, 2026

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10 Best casio scientific calculators of 2026

Save up to 29% off

Best Choice

1

Clicked 9 times in the last month

Casio
Casio FX-991ES Plus-2nd Edition Scientific Calculator
Main highlights

Natural Textbook Display
The redesigned ES PLUS series offers an easy-to-understand Natural Textbook Display for intuitive learning.

Ideal for Students and Professionals
Perfect for students and professionals needing comprehensive scientific calculations without programming.

Ease of Use Praised by Customers
Customers appreciate its user-friendly interface and reliable performance for academic success.
Key specs
- Functions:417 Functions
- Power:1 LR44 battery
- Design:Stylish, slide-on hard case
- Dimensions:6.38 x 3.03 x 0.43 inches
- Weight:3.35 ounces
9.8

Exceptional

Our Rating

9.3
Simple to use

8.9
Simple to grasp

8.7
User interface
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Casio
Casio FX-350ES Plus Scientific Calculator
Main highlights

Key Features
Offers trigonometric functions, 2D statistics, and automatic fraction calculations with a natural V.P.A.M dot matrix screen for enhanced readability.

Ideal Use Cases
Perfect for students and professionals in mathematics, engineering, and sciences needing precise calculations and graphical data representation.

Customer Praise
Most reviews highlight its ease of use, especially the intuitive interface and the clarity of the natural display, as the top praised feature.
9.5

Excellent

Our Rating

9.9
clearly written

9.9
Simple to grasp

9.9
Simple to use
3

Casio
Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics

29% Off
Main highlights

Versatile Scientific Calculations
Perfect for Algebra, calculus, and statistics with easy view display.

Ideal for Academic Use
Supports Ph.D. programs and exams with advanced features.

Praised User-Friendly Interface
Highly rated for intuitive design and ease of use.
Key specs
- Functions:Algebra, calculus, statistics
- Power:Solar power operation
- Design:Protective hard case
- Dimensions:5.5 x 2 x 9 inches
- Weight:6.1 ounces
9.2

Excellent

Our Rating

9.7
worth the money

9.3
Simple to use

9.3
Simple to grasp
4

Casio
Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle, High School Math, Statistics & Algebra | Black

21% Off
Main highlights

Extensive Functionality
Supports fractions, algebra, statistics, and more for versatile use.

Ideal for Academic Use
Perfect for students needing a reliable scientific calculator.

Praised User Interface
Intuitive and easy-to-navigate design with clear instructions.
Key specs
- Functions:Fractions, derivatives, integrals
- Power:1 LR44 battery
- Design:N/A
- Dimensions:6.25 x 3.1 x 0.6 inches
- Weight:5.6 ounces
9.1

Excellent

Our Rating

9.9
User interface

9.3
worth the money

9.1
Simple to use
5

Casio
Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Pink

14% Off
Main highlights

Natural Textbook Display
Displays fractions, derivatives, and integrals like math textbooks.

Ideal for Exams
Approved for high school and college exams without graphing.

Popular for Color
Praised for its attractive pink color and ease of use.
9.0

Excellent

Our Rating

9.7
Simple to use

9.7
clearly written

9.5
worth the money
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6

Casio
Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test Prep
Main highlights

10-digit Display and Solar Power
The calculator features a 10-digit, 2-line display and solar power for convenience.

Ideal for Math and Pre-Algebra
Perfect for general math, pre-algebra, and similar educational uses.

Praised for Durability
Customers frequently praise its durability and ease of use.
8.9

Very Good

Our Rating
7

Casio
Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix Solver | Ideal for Engineering, Science & Exams

23% Off
Main highlights

High Resolution Display
View more data like spreadsheets and 4x4 matrix calculations with clarity.

Ideal for Students and Engineers
Perfect for middle school through engineering degree calculations.

Accuracy and Precision
Doubles significant digits for trig functions, surpassing most competitors.
Key specs
- Functions:552 functions
- Power:Solar Powered with Battery
- Design:Rounded keys
- Dimensions:3.03 x 6.38 x 0.42 inches
- Weight:3.35 ounces
8.6

Very Good

Our Rating
8

Casio
Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Blue

11% Off
Main highlights

Natural Textbook Display
Displays mathematical expressions as they appear in textbooks, enhancing learning and comprehension.

Ideal for Educational Use
Perfect for students in algebra, chemistry, and general math courses.

Praised Display Quality
Customers appreciate the dot matrix display for clarity over competitors.
8.5

Good

Our Rating

9.5
Simple to grasp

9.3
User interface

8.9
Simple to use
9

Casio
Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Blue

11% Off
Main highlights

Natural Textbook Display
Displays mathematical expressions as they appear in textbooks, enhancing learning and comprehension.

Ideal for Educational Use
Perfect for students in algebra, chemistry, and general math courses.

Praised Display Quality
Customers appreciate the dot matrix display for clarity over competitors.
8.4

Good

Our Rating

9.5
Simple to grasp

9.3
User interface

8.9
Simple to use
10

Casio
Casio fx-260 Solar II Scientific Calculator | 10-Digit Display | Fraction & Trig Functions | Ideal for Middle School, High School Math, Algebra, Trigonometry | Solar Powered

16% Off
Main highlights

Easy Solar-Powered Use
Solar-powered design offers hassle-free, long-lasting operation without batteries.

Perfect for Students
Ideal for college courses like chemistry and calculus, compact and efficient.

Compact Size Praised
Customers love its small size and portability for easy storage.
Key specs
- Functions:144 built-in math functions
- Power:Solar-powered
- Design:Easy-to-use
- Dimensions:N/A
- Weight:N/A
8.3

Good

Our Rating

9.9
Light weight

9.5
worth the money

9.5
clearly written

10 Best casio scientific calculators of 2026

1

Casio FX-991ES Plus-2nd Edition Scientific Calculator

9.3

8.9

8.7

How do we rank?

How do we rank?

Analyzing top stores

2

Casio FX-350ES Plus Scientific Calculator

9.9

9.9

9.9

3

Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics

9.7

9.3

9.3

4

Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle, High School Math, Statistics & Algebra | Black

9.9

9.3

9.1

5

Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Pink

9.7

9.7

9.5

6

Casio fx-300MS Plus 2nd Edition – Standard Scientific Calculator with 2-Line Display | 10-Digit LCD, Trig, Stats, Fractions | Ideal for High School Algebra, Trigonometry & Test Prep

7

Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix Solver | Ideal for Engineering, Science & Exams

8

Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Blue

9.5

9.3

8.9

9

Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Blue

9.5

9.3

8.9

10

Casio fx-260 Solar II Scientific Calculator | 10-Digit Display | Fraction & Trig Functions | Ideal for Middle School, High School Math, Algebra, Trigonometry | Solar Powered

9.9

9.5

9.5

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