Best Scientific Calculator Casio Apps

217+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Looking for free scientific calculator casio apps? 20 of our 217+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Scientific Calculator Casio

Scientific Calculator fx-991#1

Scientific Calculator fx-991 by Dinh Phuc

Step-by-step Math Solver
Editor's Choice
📚 Education
4.5(344 ratings)
FreeAdsIn-App Purchases
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Enhance your math skills with the ultimate scientific calculator app designed for students and professionals. From step-by-step solutions to instant access to key formulas, HiEdu Calculator simplifies complex calculations and provides a vast library of functions. Perfect for standardized test preparation or everyday classwork - transform your educational journey today!

Scientific Calculator Plus 991#2

Scientific Calculator Plus 991 by Tran Duy

Designed for math calculator
Strong Contender
📚 Education
4.7😊(12K ratings)
FreeAdsIn-App Purchases
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A versatile scientific calculator app designed for math enthusiasts, offering features like natural display for textbook-like equations, symbolic and numeric modes, complex number calculations, calculus functions, statistical analysis, and unit conversion. With a premium upgrade option for additional advanced features and customization. Access the power of NCalc FX now!

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Powerful and feature-rich
  • 💡 Customizable interface and settings
  • 🔍 Extensive library of formulas and equations

Room to Improve

  • 🐛 Occasional bugs and input issues
  • 🔀 Confusing layout and button placement
  • 💰 Some advanced features locked behind paywall
HiPER Scientific Calculator#3

HiPER Scientific Calculator by Jindrich Houska

Worth Considering
🔧 Utilities
4.6(207 ratings)
FreeAdsIn-App Purchases
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An advanced scientific calculator with powerful features like symbolic algebra, equations, integrals, and derivatives. Supports up to 100-digit calculations, various layouts for different devices, and a wide range of functions including matrices, statistics, complex numbers, and more. Explore its capabilities and functions today!

More Scientific Calculator Casio apps to explore

4
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

A scientific calculator app designed for engineers and students, offering features like formula display, quick editing, memory functions, and various calculation modes. Improve accuracy and efficiency with easy formula navigation and editing tools. Explore advanced functions for different number systems and mathematical operations.

🔧 Utilities
(1.9K)
5
Calculate84
Calculate84
Calculate84
Intended for use with TI-84
Free

A modern graphing calculator application designed for iPhone users, offering fast and interactive touch-screen graphing with intuitive features and intelligent error messages. Created by individuals who found existing graphing calculator apps lacking, it is continually improved with feedback from students. Visit the app's website for Privacy Policy and Terms of Use.

📚 Education
(52K)
6
Scientific Calculator - Cal
Scientific Calculator - Cal
Scientific Calculator - Cal
A Better Scientific Calculator
Free

This scientific calculator allows users to input expressions naturally and calculate results instantly, with features such as percentage calculation, trigonometric functions, and result history. With a simple and powerful interface, it offers various settings, offline availability, and a sleek design, making it a useful tool for mathematical calculations.

🔧 Utilities
(0)
7
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

Calculate complex mathematical equations effortlessly with this intuitive app. Simplify your calculations on the go with advanced features like graph plotting and equation solving. Download now to supercharge your math skills!

🔧 Utilities
(36K)
8
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

🔧 Utilities
(1.7M)
9
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

A calculator app with a built-in history feature that keeps track of your calculations without any ads. Calculate effortlessly and access your past computations instantly.

💰 Finance
(23K)
10
SFX Calc
SFX Calc
SFX Calc
Scientific Calculator
Free

This scientific calculator app is designed for academic, scientific, and engineering purposes, offering a range of features including basic arithmetic, memory storage, fraction and percentage calculation, and advanced functions like linear regression, statistics, and trigonometric calculations. Download now to experience a user-friendly interface similar to a Casio scientific calculator and perform complex calculations with ease.

🔧 Utilities
(137)
11
ScientificLite
ScientificLite
ScientificLite
Scientific Calculations
Free

This all-in-one scientific calculator for iPad, iPhone, and iTouch devices offers easy access to advanced functions, a user-friendly interface, and customizable features, allowing for fast and reliable calculations. Try it for free and experience its full functionality, including copy and paste, memory save, and extended accuracy calculations.

💼 Business
(19)
12
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

🔧 Utilities
(357K)
13
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

A professional-grade calculator app designed for quick and accurate mathematical calculations on-the-go. Upgrade to the full version for advanced features and functionalities.

🔧 Utilities
(51K)
14
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

Quickly crunch numbers with our user-friendly iPad calculator app that offers basic and scientific functions. Download now for accurate calculations on the go!

🔧 Utilities
(60K)
15
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Statistics, Matrix + Graph
Free

Get advanced math functions, statistics, matrices, and graphing capabilities with this all-in-one calculator app designed for high school and college students. Perfect for mastering pre-algebra, algebra, and more. Download now for a smarter way to calculate and visualize data.

📚 Education
(7.5K)
16
Calculator - Simple & Basic
Calculator - Simple & Basic
Calculator - Simple & Basic
by The App Tower Inc.
Free

Access a user-friendly calculator offering more than 80 customizable themes. Crunch numbers effortlessly with style.

🔧 Utilities
(146K)
17
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Basic, Scientific & Photo Math
Free

A cutting-edge AI math solver app that uses image recognition to solve math problems by simply taking a photo. No need to struggle with complex equations - just snap a picture and get instant solutions. Revolutionize your math experience today!

🔧 Utilities
(81K)
18
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.

📚 Education
(327)
19
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

A powerful graphing calculator app designed for all users, offering both basic and advanced mathematical functions with a user-friendly interface. Equipped with a robust math core and support features for engineers and math students. Explore built-in documents and tutorials for a comprehensive mathematical experience.

📚 Education
(50K)
20
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)