Best Pythagorean Calculator Apps

213+ iOS apps curated and reviewed

4.6 avg rating
12 free apps
Updated May 2026

Whether you're new to pythagorean calculator or looking for an upgrade, our curated collection of 213+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Pythagorean Calculator

Pythagorean Calculator Pro#1

Pythagorean Calculator Pro by JanoGroup LLC

Right Triangle Calculator
Editor's Choice
🔧 Utilities
5.0(1 ratings)
$1.99Ads
Pythagorean Calculator Pro screenshot 1
Pythagorean Calculator Pro screenshot 2
Pythagorean Calculator Pro screenshot 3
Pythagorean Calculator Pro screenshot 4
Pythagorean Calculator Pro screenshot 5
Pythagorean Calculator Pro screenshot 6

This app provides instant calculations for right triangles and serves as a comprehensive learning guide for the Pythagorean theorem. It includes interactive diagrams, reference guides for special triangles and triples, and real-world examples. It's designed for students, educators, and professionals working with geometry.

Pythagoras Calculator#2

Pythagoras Calculator by Glindemann, Sennoun, Langer GbR

With solution steps
Strong Contender
📚 Education
4.6😊(237 ratings)
FreeIn-App Purchases
Pythagoras Calculator screenshot 1
Pythagoras Calculator screenshot 2
Pythagoras Calculator screenshot 3
Pythagoras Calculator screenshot 4

Easily calculate any side of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and offers an ad-free option.

What We Love

  • 👍 Easy to use and simple interface
  • ✅ Accurate calculations for Pythagorean theorem
  • 📚 Shows step-by-step solutions for learning
  • 🚀 Fast and efficient computation

Room to Improve

  • 📢 Intrusive and annoying advertisements
  • 💳 Deceptive payment practices and fraudulent charges
  • 🔐 Suspicious credit card requirements for access

More Pythagorean Calculator apps to explore

4
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
5
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
🔧 Utilities
(9.6K)
free with in-app purchases
6
Pythagorean Calculator
Pythagorean Calculator
Pythagorean Calculator
Solve a² + b² = c²
$0.99

Easily calculate any missing side of a right triangle. This user-friendly tool has the Pythagorean theorem formula built-in, requiring only the two known sides to find the third.

Calculate missing triangle sidesBuilt-in Pythagorean theorem formulaUser-friendly interface
📚 Education
(6)
paid
7
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
📚 Education
(6.2K)
free with in-app purchases
8
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
9
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
10
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
11
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
12
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
📚 Education
(3.8K)
paid
13
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported
14
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
📚 Education
(1.3K)
free
15
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Calculator & Photo Solver
Free

Solve any math problem by typing it in or taking a photo. Get step-by-step solutions for subjects from pre-algebra to calculus. This AI-powered tool offers personalized learning and insights for over 300 million users.

Photo math solverStep-by-step solutionsCalculus calculator
📚 Education
(26K)
free with in-app purchases
16
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
🔧 Utilities
(15K)
freemium
17
Calculator!
Calculator!
Calculator!
by 7th Gear
$0.99

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation
🔧 Utilities
(4.2K)
free with in-app purchases
18
Tydlig
Tydlig
Tydlig
Calculator Reimagined
$1.99

This app reimagines the calculator experience with a freeform canvas, dynamic results, and linked numbers. It allows for easy everyday calculations, real-time graphing, and annotation, making complex math visualization intuitive.

Freeform canvas for calculationsResponsive and linked resultsReal-time graphing
🔧 Utilities
(2.6K)
paid
19
MyScript Calculator
MyScript Calculator
MyScript Calculator
Handwriting calculator
$2.99

This app transforms your device into an interactive notepad for calculations. Simply write your math problems by hand, and it instantly provides results. Edit calculations with gestures, reuse past results, and export your work.

Write calculations naturallyEdit with gesturesDrag and drop results
📊 Productivity
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free
20
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
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ad-supported

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