Best T84 Calculator Apps

219+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our t84 calculator list covers 219+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for T84 Calculator

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

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.

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

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.

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
Ncalc - Graphing Calculator 84#3

Ncalc - Graphing Calculator 84 by Tran Duy

Intended for use with Ti-84
Worth Considering
📚 Education
4.6😊(4.7K ratings)
FreeAdsIn-App Purchases
Ncalc - Graphing Calculator 84 screenshot 1
Ncalc - Graphing Calculator 84 screenshot 2
Ncalc - Graphing Calculator 84 screenshot 3
Ncalc - Graphing Calculator 84 screenshot 4
Ncalc - Graphing Calculator 84 screenshot 5
Ncalc - Graphing Calculator 84 screenshot 6

A graphing calculator app with functions like graphing, tracing, equation solving, statistical analysis, and more. Upgrade to Premium for advanced features and access to a wide range of mathematical tools. Terms of Service and Privacy Policy available for reference.

What We Love

  • 👍 Great calculator app
  • 🚀 Powerful features
  • 💰 Good value for money
  • 📱 Convenient mobile version of TI-84

Room to Improve

  • 🐛 Occasional crashes or bugs
  • 🔍 Lack of instructions/documentation
  • 💸 Premium features require additional purchase

More T84 Calculator apps to explore

4
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)
5
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)
6
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos, Inc.
Free

Explore math with a powerful graphing calculator application that allows you to plot various equations, use sliders for interactive adjustments, create tables for data input, analyze statistics, and more. Visit the website to access the free browser version and enhance your mathematical skills today.

📚 Education
(1.3K)
7
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

The app is a comprehensive graphing calculator that features algebraic entry, math functions, graph plotting, statistics, matrix operations, unit conversion, BASIC programming, chemistry tools, geometry calculations, finance functions, and a built-in user guide for easy reference. It offers a colorful, fast, and fluid experience on iPhone and iPad with advanced features like touch input, high-resolution graph outputs, and fast computation speeds. Explore its diverse functionality to enhance your mathematical tasks.

📚 Education
(3.8K)
8
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)
9
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!

🔧 Utilities
(126K)
10
Calculate84 Plus
Calculate84 Plus
Calculate84 Plus
Intended for use with TI-84
Free

A comprehensive calculator app designed for use with TI-84, allowing users to graph functions, perform advanced math calculations, create tables, and conduct statistics easily. Access a wide range of features including graphing multiple functions, statistics analysis, matrix operations, and an extensive command catalog. For more advanced capabilities and functions, subscribe to unlock additional features.

📚 Education
(302)
11
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)
12
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)
13
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Graphing Calculator Plus AI
Scientific Graphing Calculator
$5.99

An advanced scientific graphing calculator app that is user-friendly and suitable for basic to advanced mathematics, offering a powerful math core and extensive support features. Ideal for engineers, math students, and more, with built-in documents for various calculations. Explore the world of advanced mathematics with ease and efficiency.

📚 Education
(12K)
14
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)
15
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)
16
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

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!

📚 Education
(12K)
17
Photomath
Photomath
Photomath
Learn math, step-by-step
Free

Photomath helps learners understand math step by step with accurate solutions, explanations, and various methods. Scan math problems to untangle complexities, access step-by-step explanations, expert-developed methods, word problem instructions, interactive graphs, video learning, and an advanced scientific calculator. Dive deeper with Photomath Plus for custom tutorials and textbook solutions.

📚 Education
(733K)
18
Graphing Calculator Pro⁸⁴
Graphing Calculator Pro⁸⁴
Graphing Calculator Pro⁸⁴
Scientific Graphing Calculator
$12.99

Experience the ultimate scientific graphing calculator: analyze functions, solve equations, work with diverse mathematical elements seamlessly. Embrace efficiency and convenience in your calculations on-the-go - never be without a powerful tool at your fingertips.

📚 Education
(1.6K)
19
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!

🔧 Utilities
(3.6K)
20
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Homework scanner & calculator
Free

A powerful math problem-solving app that scans and solves homework questions for various math subjects. Easily tackle complex math problems by taking a photo and receiving step-by-step solutions instantly. Boost your math skills and efficiency with this convenient tool.

📚 Education
(425K)