Best Fx 580 Apps

41+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Finding the right fx 580 apps can be overwhelming with so many options. We've analyzed 41+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Fx 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)YesYesAug 2026
4HiPER Scientific CalculatorHiPER Scientific CalculatorFree4.7★ (243)YesYesAug 2026
5Taculator 84 Graphing CalcTaculator 84 Graphing CalcFree4.5★ (7.5K)NoYesAug 2026
6Calculator for iPad!Calculator for iPad!Free4.7★ (61K)NoNoAug 2026
7Scientific Calculator *Scientific Calculator *Free4.6★ (8)YesYesJul 2026
8Panecal Scientific CalculatorPanecal Scientific CalculatorFree4.8★ (1.9K)YesNoAug 2026

Top Picks for Fx 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(391 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 Fx 580 apps to explore

4
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
5
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
6
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(61K)
free
7
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
8
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
9
Calculator
Calculator
Calculator
by Apple
Free

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

Basic and scientific calculatorsType or write math expressionsInline equation solving
🔧 Utilities
(8.9K)
free
10
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
11
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
12
FX Calculators
FX Calculators
FX Calculators
Suite of simple Forex tools
Free

This app provides a suite of simple and effective tools for financial market risk management and decision-making. It includes calculators for Fibonacci levels, pip value, pivot points, position size, margin, and stop loss/take profit.

Fibonacci Levels calculatorPip Value calculatorPivot Points calculator
💰 Finance
(1.3K)
free with in-app purchases
13
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
14
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.

History record functionDisplay input equationAdjustable keyboard size and font
📊 Productivity
(3.2K)
free with in-app purchases
15
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos
Free

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Basic arithmetic operationsTrigonometric functionsStatistical calculations
📚 Education
(332)
free
16
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Decimal Converter,Construction
Free

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.

Add, subtract, multiply, and divide fractionsConvert fractions to decimalsAutomatically simplifies fractions
📊 Productivity
(22K)
free with in-app purchases
17
FX Markets
FX Markets
FX Markets
by Infopro Digital Services Limited
Free

Stay informed on global FX markets with exclusive news and in-depth analysis. Access live updates, download articles, and explore content on trading, infrastructure, tech, data, and regulation. Read content anytime, anywhere, as soon as it's published.

Exclusive news and analysisLive market updatesDownloadable articles
💼 Business
(10)
subscription
18
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
19
Private Cloak-Secret Safe
Private Cloak-Secret Safe
Private Cloak-Secret Safe
Hide photos, videos and files
Free

Securely store and protect your private photos, videos, contacts, and notes. This app offers a private space for your sensitive files, accessible only through a password-protected interface. Capture new memories directly within the app for immediate safeguarding.

Hide photos and videosProtect contacts and diariesDirect camera capture
🔧 Utilities
(114)
ad-supported
20
Calculator +
Calculator +
Calculator +
Graphing, Percentage, Triangle
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(10K)
free with in-app purchases

FAQ about Fx 580

What are the best fx 580 apps for iPhone?
Scientific Calculator Plus 991 tops our fx 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 — 20 of the top fx 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 41+ fx 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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