10 Best Casio Fx 115es Plus Scientific Calculator Second Edition of 2025

Tested and Reviewed: Top 10 Casio Fx 115es Plus Scientific Calculator Second Edition deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Casio

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

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Editor's bottom line:

“This casio fx 115es plus scientific calculator second edition is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

16 digit 4 line LCD display
NATURAL TEXTBOOK DISPLAY View fractions, equations, and results exactly as they appear in your textbook, simplifying the interpretation of complex math.
OVER 280 FUNCTIONS Includes advanced capabilities like complex number calculations, linear regression, summation (), integration (), permutations and combinations, polar-rectangular conversions, and matrix/vector operations.
MULTI-REPLAY FUNCTION Backtrack through your calculations, edit expressions, and recalculate answers step-by-step for easy error checking.
EXTENSIVE SCIENTIFIC & MATH FUNCTIONS Solve simultaneous equations, quadratic and cubic equations, and explore advanced topics and classes like Trigonometry, Pre-Calculus, Calculus I or II, Physics, Statistics, or other college-level courses.
SOLAR PLUS WITH BATTERY BACK-UP Reliable power with energy-efficient Solar Plus technology and battery back-up to keep you working without interruption.

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Picked by 397 people today

9.5

Casio

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

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Main Highlights

NATURAL TEXTBOOK DISPLAY View fractions, expressions, and solutions as they appear in textbooks, making complex equations easier to input and interpret. Easily convert fractions to decimals, and simplify recurring decimals to the hundredths.
262 BUILT-IN FUNCTIONS Includes scientific, exponential, trigonometric, fraction calculations, statistics, regression analysis, and more for comprehensive math support.
IDEAL FOR STUDENTS Perfect for students in middle school through high school taking Pre-Algebra, Algebra I or II, Geometry, Trigonometry, Physics, or general math courses.
TWO-FUNCTION TABLE Easily calculate tables of values for f(x) and g(x) with the ability to define steps, beginning values, and ending values.
RANDOM NUMBERS - Use the number generator to create any value between -1E9 and 1E9 to add randomness to a computation.
SOLAR POWER WITH BACK-UP Energy-efficient Solar Plus technology with battery back-up ensures reliable operation anytime, anywhere.

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9.5

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

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Main Highlights

NATURAL TEXTBOOK DISPLAY View fractions, expressions, and solutions as they appear in textbooks, making complex equations easier to input and interpret. Easily convert fractions to decimals, and simplify recurring decimals to the hundredths.
262 BUILT-IN FUNCTIONS Includes scientific, exponential, trigonometric, fraction calculations, statistics, regression analysis, and more for comprehensive math support.
IDEAL FOR STUDENTS Perfect for students in middle school through high school taking Pre-Algebra, Algebra I or II, Geometry, Trigonometry, Physics, or general math courses.
TWO-FUNCTION TABLE Easily calculate tables of values for f(x) and g(x) with the ability to define steps, beginning values, and ending values.
RANDOM NUMBERS - Use the number generator to create any value between -1E9 and 1E9 to add randomness to a computation.
SOLAR POWER WITH BACK-UP Energy-efficient Solar Plus technology with battery back-up ensures reliable operation anytime, anywhere.

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9.2

Casio

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

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Main Highlights

Redesigned ES PLUS series calculators featuring easy-to-understand Natural Textbook Display, Non-Programmable Scientific Calculator with 417 Functions
Stylish design but same function as Casio FX-991ESPLUS 1st edition, 10-digit mantissa + 2-digit exponential display
Basic Trigonometrical & Statistics Functions, and many more functions
Colour coded keypad for easy key differentiation, Simple and easy to use, Comes with new slide on hard case

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9.0

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

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Main Highlights

NATURAL TEXTBOOK DISPLAY View fractions, expressions, and solutions as they appear in textbooks, making complex equations easier to input and interpret. Easily convert fractions to decimals, and simplify recurring decimals to the hundredths.
262 BUILT-IN FUNCTIONS Includes scientific, exponential, trigonometric, fraction calculations, statistics, regression analysis, and more for comprehensive math support.
IDEAL FOR STUDENTS Perfect for students in middle school through high school taking Pre-Algebra, Algebra I or II, Geometry, Trigonometry, Physics, or general math courses.
TWO-FUNCTION TABLE Easily calculate tables of values for f(x) and g(x) with the ability to define steps, beginning values, and ending values.
RANDOM NUMBERS - Use the number generator to create any value between -1E9 and 1E9 to add randomness to a computation.
SOLAR POWER WITH BACK-UP Energy-efficient Solar Plus technology with battery back-up ensures reliable operation anytime, anywhere.

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8.8

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

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Main Highlights

CLEAR 2-LINE DISPLAY Dual-line, 10-digit LCD lets you view expressions and results simultaneouslyideal for learning and reduces input errors.
SCIENTIFIC FUNCTIONS FOR SCHOOL & STUDY Covers trigonometric, inverse/hyperbolic functions, factorials, logarithms, and probability simulations, ideal of high school students.
STATISTICAL CALCULATIONS Supports two-variable statistics, standard deviation, and regression analysis for math and science courses.
FRACTION & VARIABLE MEMORY Easily convert between improper fractions, mixed numbers, and decimals; store up to 9 variables plus last answer recall.
SLIM, DURABLE DESIGN Includes a hard protective case and ergonomic layout, making it a perfect companion for school, exams, or everyday math.

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8.6

Casio

Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural

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Main Highlights

Admitted to maturity exams
Natural display to insert and display numeric expressions as they appear on textbooks
24 levels of brackets
Regression and correlation coefficients
Solar Power and Battery.Dimensions: 1.5 x 7.5 x 16.2 cm

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8.3

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

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Main Highlights

NATURAL TEXTBOOK DISPLAY View equations, fractions, and symbols exactly as they appear in textbooks for better comprehension and reduced errors.
HIGH-RESOLUTION 4-TONE DISPLAY Enhanced screen with quad-tone shading improves visibility and makes cursor tracking easy when writing and editing expressions.
MEMORY & MATH CATALOG Store and recall up to 9 variables containing integers, computations, and functions. Memory persists between sessionsan educator-requested feature. Access 47 constants, 40 conversions, advanced math functions, and more through the intuitive Math Catalog.
540 ADVANCED FUNCTIONS Perform numeric integration and differentiation, 4x4 matrix operations, spreadsheet-style data viewing, and more.
QR FUNCTIONALITY & DURABLE DESIGN Scan QR codes to graph results on ClassPad.net; includes rounded keys and a non-slip hard case for classroom or exam use.

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8.1

Casio

Casio FX-350ES Plus Scientific Calculator

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Main Highlights

Trigonometric functions
Two-dimensional statistics
Automatic Fraction Calculations
Natural screen V;P;A;M, dot matrix

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8.1

Casio

Casio FX-991ES Plus-2 Scientific Calculator

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Main Highlights

The natural display (natural-v.p.a.m.) It shows mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding because the results are easier to understand.

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Our Best Overall Choice

Best Choice

9.7

Casio

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

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

16 digit 4 line LCD display
NATURAL TEXTBOOK DISPLAY View fractions, equations, and results exactly as they appear in your textbook, simplifying the interpretation of complex math.
OVER 280 FUNCTIONS Includes advanced capabilities like complex number calculations, linear regression, summation (), integration (), permutations and combinations, polar-rectangular conversions, and matrix/vector operations.
MULTI-REPLAY FUNCTION Backtrack through your calculations, edit expressions, and recalculate answers step-by-step for easy error checking.
EXTENSIVE SCIENTIFIC & MATH FUNCTIONS Solve simultaneous equations, quadratic and cubic equations, and explore advanced topics and classes like Trigonometry, Pre-Calculus, Calculus I or II, Physics, Statistics, or other college-level courses.
SOLAR PLUS WITH BATTERY BACK-UP Reliable power with energy-efficient Solar Plus technology and battery back-up to keep you working without interruption.

Show Price

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