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Best Casio 580 Apps

57+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated August 2026

Looking for free casio 580 apps? 19 of our 57+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Casio 580 Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (12K)YesYesAug 2026
2Scientific Calculator fx-991Scientific Calculator fx-991Free4.5★ (381)YesYesAug 2026
3ClassWiz Calc App QRClassWiz Calc App QRFree2.1★ (8)YesYesJul 2026
4CASIO WATCH+CASIO WATCH+Free2.9★ (44)NoNoMay 2026
5CASIO ClassPadCASIO ClassPadFree3.4★ (11)NoYesJun 2026
6CASIO WATCHESCASIO WATCHESFree4.7★ (19K)NoNoAug 2026
7Taculator 84 Graphing CalcTaculator 84 Graphing CalcFree4.5★ (7.5K)NoYesAug 2026
8HiPER Scientific CalculatorHiPER Scientific CalculatorFree4.7★ (243)YesYesAug 2026

Top Picks for Casio 580

Scientific Calculator Plus 991#1

Scientific Calculator Plus 991 by Tran Duy

NCalc & CalcES Calculator 115
Editor's Choice
📚 Education
4.7😊(12K ratings)
FreeAdsIn-App Purchases
Scientific Calculator Plus 991 screenshot 1
Scientific Calculator Plus 991 screenshot 2
Scientific Calculator Plus 991 screenshot 3
Scientific Calculator Plus 991 screenshot 4
Scientific Calculator Plus 991 screenshot 5
Scientific Calculator Plus 991 screenshot 6

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

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
Scientific Calculator fx-991#2

Scientific Calculator fx-991 by Dinh Phuc

Step-by-step Math Solver
Strong Contender
📚 Education
4.5(381 ratings)
FreeAdsIn-App Purchases
Scientific Calculator fx-991 screenshot 1
Scientific Calculator fx-991 screenshot 2
Scientific Calculator fx-991 screenshot 3
Scientific Calculator fx-991 screenshot 4
Scientific Calculator fx-991 screenshot 5
Scientific Calculator fx-991 screenshot 6

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

ClassWiz Calc App QR#3

ClassWiz Calc App QR by CASIO COMPUTER CO., LTD.

Worth Considering
📚 Education
2.1(8 ratings)
FreeAdsIn-App Purchases
ClassWiz Calc App QR screenshot 1
ClassWiz Calc App QR screenshot 2
ClassWiz Calc App QR screenshot 3
ClassWiz Calc App QR screenshot 4
ClassWiz Calc App QR screenshot 5
ClassWiz Calc App QR screenshot 6

This app brings the functionality of Casio's ClassWiz scientific calculators to your smartphone or tablet. Perform advanced calculations, manage spreadsheets, and generate graphs by connecting to Casio's online services. It mirrors the operation of physical calculators and uses QR codes for seamless integration.

More Casio 580 apps to explore

4
CASIO WATCH+
CASIO WATCH+
CASIO WATCH+
by CASIO COMPUTER CO., LTD.
Free

Connect your compatible CASIO watch to your iPhone via Bluetooth to unlock enhanced Mobile Link functions. This application simplifies watch operations by allowing you to control them from your phone screen, enriching your overall experience.

Bluetooth v4.0 connectivityMobile Link functionsSimplified watch operations
🔧 Utilities
(44)
free
5
CASIO ClassPad
CASIO ClassPad
CASIO ClassPad
by CASIO COMPUTER CO., LTD.
Free

Perform complex calculations, graph functions, and utilize a computer algebra system for mathematical exploration. This app offers a suite of tools for math and science learning, including dynamic visualizations and advanced functions. It's designed to enhance mathematical understanding for students and educators.

Complex calculationsGraphing functionsComputer Algebra System (CAS)
📚 Education
(11)
subscription
6
CASIO WATCHES
CASIO WATCHES
CASIO WATCHES
CASIO Bluetooth watch app
Free

This app connects to compatible CASIO watches via Bluetooth to offer enhanced functionality. Manage watch settings, track daily activities, access exclusive brand content, and even customize your own watch.

Bluetooth watch connectionTime and world time settingsActivity tracking (steps, calories)
🌟 Lifestyle
(19K)
free with in-app purchases
7
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Graphing Calculator for TI-84
Free

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Scientific and advanced math functionsHigh-resolution graphing and plottingMatrix operations and storage
📚 Education
(7.5K)
free with in-app purchases
8
HiPER Scientific Calculator
HiPER Scientific Calculator
HiPER Scientific Calculator
by Jindrich Houska
Free

This app offers advanced scientific calculation capabilities, including symbolic algebra, equation solving, and calculus functions. It supports high precision, natural expression input, and various display formats. Users can also visualize functions and equations with 2D and 3D graphing.

Symbolic algebraIntegrals and derivativesHigh precision calculations
🔧 Utilities
(243)
free with in-app purchases
9
G-SHOCK Connected
G-SHOCK Connected
G-SHOCK Connected
by CASIO COMPUTER CO., LTD.
Free

This app connects your CASIO watch to your iPhone via Bluetooth for enhanced functionality. It allows for simplified watch operations and access to various Mobile Link features. Note: This app's functionality is transferring to the CASIO WATCHES app.

Bluetooth watch connectivityMobile Link functionsSimplified watch operations
🔧 Utilities
(13K)
free
10
Scientific Calculator *
Scientific Calculator *
Scientific Calculator *
Math & financial Calculator
Free

This app offers a comprehensive suite of calculation tools, including basic and advanced math functions, unit conversions, and financial calculators. It also features a history log for easy access to past calculations and allows for customization of themes.

Basic and complex calculationsUnit and currency converterFinancial calculators (loan, discount)
📊 Productivity
(8)
free with in-app purchases
11
CASIO MUSIC SPACE
CASIO MUSIC SPACE
CASIO MUSIC SPACE
by CASIO COMPUTER CO., LTD.
Free

This app enhances the experience of playing Casio digital pianos and keyboards. It offers features like a visual piano roll, score viewer, music player, and a live concert simulator to make learning and playing music more engaging and enjoyable for all skill levels.

Visual piano roll for easy note identificationScore viewer with playback and annotationPlay along with favorite songs
🎵 Music
(102)
free
12
CASIO Nail Printer
CASIO Nail Printer
CASIO Nail Printer
Nail Printer / Nail Catalog
Free
🌟 Lifestyle
(0)
13
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
14
C-Mirroring
C-Mirroring
C-Mirroring
by CASIO COMPUTER CO., LTD.
Free
📊 Productivity
(0)
15
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
16
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Large buttonsDual-line display18 color themes
🔧 Utilities
(13K)
ad-supported
17
EDIFICE Connected
EDIFICE Connected
EDIFICE Connected
by CASIO COMPUTER CO., LTD.
Free

This app connects your Bluetooth-enabled CASIO watch to your iPhone, enabling various Mobile Link functions. It simplifies watch operations through your phone and is transitioning to the CASIO WATCHES app.

Bluetooth watch connectivityMobile Link functionsSimplified watch operations
🔧 Utilities
(581)
free
18
Scientific Calculator Premium
Scientific Calculator Premium
Scientific Calculator Premium
The most advanced calculator
Free

This advanced calculator offers standard scientific functions plus features like factorial calculations, graph drawing, memory blocks, and a history log. It's designed for convenience and ease of use, similar to a physical university calculator.

Factorial and double factorial calculationsGraph drawing functionalityFour memory blocks
🔧 Utilities
(283)
free with in-app purchases
19
CASIO Graph Calculator Manual
CASIO Graph Calculator Manual
CASIO Graph Calculator Manual
for CASIO fx 9860GII & 9750GII
$4.99

This app provides step-by-step instructions and screenshots for using CASIO graphing calculators, covering 42 essential topics for high school and college math. It helps users quickly solve problems, understand complex functions, and prepare for exams with practice quizzes.

Step-by-step button press instructionsOriginal calculator illustrationsOver 300 screenshots
📚 Education
(6)
paid
20
G-SHOCK MOVE
G-SHOCK MOVE
G-SHOCK MOVE
by CASIO COMPUTER CO., LTD.
Free

Connect your G-SHOCK watch to your smartphone to access enhanced mobile functions. Manage watch settings, create training plans, and analyze your health and activity data. Receive smartphone notifications directly on your wrist.

Bluetooth watch connectionTime adjustment and settingCreate training plans
🔧 Utilities
(829)
free

FAQ about Casio 580

What are the best casio 580 apps for iPhone?
Scientific Calculator Plus 991 tops our casio 580 apps ranking as of August 2026, with a 4.7-star average from 12K App Store ratings, and it's free to download.
Yes — 19 of the top casio 580 apps we rank are free to download, including Scientific Calculator Plus 991 and Scientific Calculator fx-991.
Scientific Calculator Plus 991 shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 57+ casio 580 apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
NCalc is a comprehensive scientific calculator that includes a graphing module, a large formula library, and a unit and currency converter. It is designed to assist students, engineers, and math enthusiasts with a wide range of mathematical tasks.
Key features include a natural display for entering expressions as they appear in textbooks, a graphing module similar to popular graphing calculators, advanced tools for algebra, calculus, matrices, and statistics, and a built-in unit and currency converter. It also supports multiple number bases and provides a calculation history.

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