Best Texas Instruments Calculator Apps

227+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated May 2026

With an average user rating of 4.5★, the texas instruments calculator category is one of the App Store's strongest. Browse all 227+ apps we track, sorted so the most loved ones surface first.

Top Picks for Texas Instruments 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
Desmos Scientific Calculator#2

Desmos Scientific Calculator by Desmos, Inc.

Strong Contender
📚 Education
4.3(327 ratings)
Free
Desmos Scientific Calculator screenshot 1
Desmos Scientific Calculator screenshot 2
Desmos Scientific Calculator screenshot 3

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.

Graphing Calculator X84#3

Graphing Calculator X84 by Incpt.Mobis

Designed for use with Ti-84
Worth Considering
📚 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

More Texas Instruments 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
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)
6
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)
7
Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84
Intended for use with Ti-84
Free
$4.99 | 100% OFF

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.

📚 Education
(4.7K)
8
BA II Plus™ Financial Calc
BA II Plus™ Financial Calc
BA II Plus™ Financial Calc
by Texas Instruments
$14.99

Experience the power of the most advanced financial calculator for business professionals and students, offering a wide range of finance and science functions such as Time-Value-of-Money calculations, cash-flow analysis, bond pricing, statistics, and more. Features include memory storage, key click sounds, split screen mode, and compatibility with both BA II Plus™ and BA II Plus™ Professional calculator functions. Unlock your financial potential now!

💰 Finance
(110)
9
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)
10
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!

🔧 Utilities
(9.6K)
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 +ㅤ
Calculator +ㅤ
Calculator +ㅤ
Math, Scientific & Fraction
Free

This application is a comprehensive tool for all types of calculations, ranging from basic math to advanced scientific functions. Try it out now to simplify your calculations and mathematical tasks.

🔧 Utilities
(4.1K)
13
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)
14
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)
15
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)
16
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)
17
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

Experience the ultimate mobile calculator with 10 powerful calculators and financial worksheets, trusted by millions worldwide for its unrivaled accuracy and advanced features. From standard and scientific calculators to unit converters and graphing tools, this app has it all. Get it now for advanced calculations at your fingertips!

🔧 Utilities
(4.6K)
18
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)
19
Calculator⁻
Calculator⁻
Calculator⁻
Best hand calculator
Free

Discover the best hand calculator for all your basic math needs - addition, subtraction, multiplication, division, and more, with customizable features like recording and recalling past calculations and touch sound. Perfect for school children and anyone seeking a simple and efficient calculator solution!

🔧 Utilities
(3.4K)
20
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

A top-rated scientific calculator app on iOS devices offering advanced math functions with a user-friendly interface for users of all levels. Features include step-by-step solutions, math photo solving, and handwriting recognition. Enhance your calculations with this versatile tool.

📚 Education
(6.2K)