Best Scientific Calculator Ti 84 Apps

202+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our scientific calculator ti 84 list covers 202+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Scientific Calculator Ti 84

Calculate84#1

Calculate84 by Century Light LLC

Intended for use with TI-84
Editor's Choice
📚 Education
4.8😊(52K ratings)
FreeAdsIn-App Purchases
Calculate84 screenshot 1
Calculate84 screenshot 2
Calculate84 screenshot 3
Calculate84 screenshot 4

This app offers a modern graphing calculator experience on your iPhone. It features fast, interactive touch-screen graphing, scrollable windows, and intelligent error messages for a more intuitive user experience. Designed to be a usable alternative to physical graphing calculators.

What We Love

  • 👍 Identical to TI-84 calculator
  • 🚀 Seamless and intuitive user experience
  • 💰 Affordable alternative to physical calculator
  • 📱 Convenient to have on phone

Room to Improve

  • 🐛 Occasional bugs and crashes
  • 🔍 Missing some advanced features like regression types
  • 🔒 Previous purchases removed without warning
Graphing Calculator X84#2

Graphing Calculator X84 by Incpt.Mobis

Designed for use with Ti-84
Strong Contender
📚 Education
4.5😐(50K ratings)
FreeAdsIn-App Purchases
Graphing Calculator X84 screenshot 1
Graphing Calculator X84 screenshot 2
Graphing Calculator X84 screenshot 3
Graphing Calculator X84 screenshot 4
Graphing Calculator X84 screenshot 5
Graphing Calculator X84 screenshot 6

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

What We Love

  • 🚀 Exact replica of TI-84 calculator
  • 🤩 Great for school/college math
  • 👍 Convenient to have on phone
  • 💰 Cheaper than physical calculator

Room to Improve

  • 📺 Intrusive and frequent ads
  • 🔓 Key features locked behind paywall
  • 🛑 Restricted functionality compared to physical TI-84
Taculator 84 Graphing Calc#3

Taculator 84 Graphing Calc by Di Venisco UG (haftungsbeschrankt)

Statistics, Matrix + Graph
Worth Considering
📚 Education
4.5😐(7.5K ratings)
FreeIn-App Purchases
Taculator 84 Graphing Calc screenshot 1
Taculator 84 Graphing Calc screenshot 2
Taculator 84 Graphing Calc screenshot 3
Taculator 84 Graphing Calc screenshot 4
Taculator 84 Graphing Calc screenshot 5
Taculator 84 Graphing Calc screenshot 6

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.

What We Love

  • 🚀 Excellent implementation and familiar layout
  • 💡 Customizable buttons and color scheme
  • 👍 Helpful and life-saving calculator
  • 🚀 Best on-the-go calculator

Room to Improve

  • 🐛 Crashes when trying to graph or use certain functions
  • 🔒 Requires subscription to access full functionality
  • 🐛 Inaccurate calculations and wrong results

More Scientific Calculator Ti 84 apps to explore

4
Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84
Intended for use with Ti-84
Free
$4.99 | 100% OFF

This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.

Graphing calculator with function, polar, and parametric plotsScientific calculator with computer algebra systemEquation solver for various equation types
📚 Education
(4.9K)
freemium
5
Scientific Calculator fx-991
Scientific Calculator fx-991
Scientific Calculator fx-991
Step-by-step Math Solver
Free

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.

Step-by-step equation solverAdvanced scientific functionsGraphing mode
📚 Education
(344)
free with in-app purchases
6
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

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.

Natural display inputGraphing moduleFormula library
📚 Education
(12K)
free with in-app purchases
7
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
8
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.

Scientific and graphing calculatorAI-powered math assistantComplex number calculations
📚 Education
(12K)
free with in-app purchases
9
Graphing Calculator Pro⁸⁴
Graphing Calculator Pro⁸⁴
Graphing Calculator Pro⁸⁴
Scientific Graphing Calculator
$12.99

This app provides a comprehensive graphing and scientific calculator experience on your mobile device. It allows you to graph multiple functions, solve equations, perform statistical analysis, and work with matrices, all with a familiar interface. Ideal for students and anyone needing advanced calculation capabilities on the go.

Graph multiple functions with different colorsSolve equations and find integralsPerform advanced scientific calculations
📚 Education
(1.6K)
paid
10
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
11
Quick Graph
Quick Graph
Quick Graph
Scientific Graphing Calculator
Free

This powerful graphing calculator leverages multitouch displays for 2D and 3D equation visualization. It supports various coordinate systems and offers features like equation editing, evaluation, and a library for storing common formulas. Advanced features are available through an in-app purchase.

2D and 3D graphingMultiple coordinate systemsEquation evaluation
📚 Education
(405)
free with in-app purchases
12
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
🔧 Utilities
(1.7M)
free with in-app purchases
13
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
(237)
free with in-app purchases
14
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(23K)
free with in-app purchases
15
Calculator X: Math for iPad
Calculator X: Math for iPad
Calculator X: Math for iPad
Smart History, Plus Scientific
Free

This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.

Basic & Easy to UseHistory of CalculationsEdit Equation
💰 Finance
(6.2K)
free with in-app purchases
16
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Basic & Scientific CalculatorLive Currency ConverterHistory Tape
🔧 Utilities
(357K)
free with in-app purchases
17
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email
🔧 Utilities
(3.6K)
free
18
Calculator HD Pro Lite
Calculator HD Pro Lite
Calculator HD Pro Lite
Basic & Scientific Calc
Free

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

Dual-line displayCalculation historyFull scientific functions
🔧 Utilities
(51K)
ad-supported
19
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
20
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases