Best High School Calculator Apps

235+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our high school calculator list covers 235+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for High School Calculator

Calculate84#1

Calculate84 by Century Light LLC

Intended for use with TI-84
Editor's Choice
πŸ“š 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

  • πŸ‘ Identical to TI-84 calculator
  • πŸš€ Seamless and intuitive user experience
  • πŸ’° Affordable alternative to physical calculator
  • πŸ“± Convenient to have on phone

Room to Improve

  • πŸ› Occasional bugs and crashes
  • πŸ” Missing some advanced features like regression types
  • πŸ”’ Previous purchases removed without warning
Ncalc - Graphing Calculator 84#2

Ncalc - Graphing Calculator 84 by Tran Duy

Intended for use with Ti-84
Strong Contender
πŸ“š Education
4.6😊(4.9K 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

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.

What We Love

  • πŸ‘ Great calculator app
  • πŸš€ Powerful features
  • πŸ’° Good value for money
  • πŸ“± Convenient mobile version of TI-84

Room to Improve

  • πŸ› Occasional crashes or bugs
  • πŸ” Lack of instructions/documentation
  • πŸ’Έ Premium features require additional purchase
Calculator ##3

Calculator # by Incpt.Mobis

Scientific Calculator
Worth Considering
πŸ”§ Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
Calculator # screenshot 3
Calculator # screenshot 4
Calculator # screenshot 5
Calculator # screenshot 6

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.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Powerful functionality
  • πŸ’‘ Helpful for math classes
  • ⭐ Great for students

Room to Improve

  • πŸ” Confusing interface after update
  • πŸ“’ Too many intrusive ads
  • πŸ’° Paywall for advanced features

More High School Calculator apps to explore

4
Graphing Calculator X84
Graphing Calculator X84
Graphing Calculator X84
Designed for use with Ti-84
Free

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.

Graphing of functionsStatistics and regression analysisMatrix operations
πŸ“š Education
(50K)
free with in-app purchases
5
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
πŸ”§ Utilities
(404K)
ad-supported
6
Calculator - Simple & Basic
Calculator - Simple & Basic
Calculator - Simple & Basic
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
πŸ”§ Utilities
(146K)
free with in-app purchases
7
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
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
πŸ”§ Utilities
(9.6K)
free with in-app purchases
8
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Mathway: Math Problem Solver
Homework scanner & calculator
Free

Solve math problems instantly by taking a photo or typing your question. Get step-by-step solutions for algebra, graphing, calculus, and more. Understand complex math concepts with unlimited access to answers.

Math problem solverHomework scannerStep-by-step solutions
πŸ“š Education
(425K)
free with in-app purchases
9
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
πŸ“Š Productivity
(4.8K)
free with in-app purchases
10
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
πŸ’° Finance
(23K)
free with in-app purchases
11
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
πŸ“š Education
(6.2K)
free with in-app purchases
12
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
πŸ“š Education
(12K)
free with in-app purchases
13
Calculator# Hide Photos Videos
Calculator# Hide Photos Videos
Calculator# Hide Photos Videos
Hide Photos, Videos & Secrets
Free

This app disguises itself as a calculator to secretly store photos, videos, documents, notes, passwords, and more. It offers robust security features to protect your confidential information from prying eyes and hackers.

Hide Photos and VideosPassword-Protect DocumentsSecure Notes and To-Dos
πŸ”§ Utilities
(29K)
free with in-app purchases
14
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
πŸ”§ Utilities
(243K)
free with in-app purchases
15
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)
πŸ”§ Utilities
(60K)
free
16
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
πŸ“š Education
(3.8K)
paid
17
CalculatorΒ·
CalculatorΒ·
CalculatorΒ·
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
πŸ”§ Utilities
(33K)
free with in-app purchases
18
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos, Inc.
Free

Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.

Graph any equation (polar, cartesian, parametric)Interactive sliders for function transformationsInput and plot data with tables
πŸ“š Education
(1.3K)
free
19
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
πŸ”§ Utilities
(1.9K)
ad-supported
20
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
πŸ“š Education
(12K)
free with in-app purchases