Protractor+
Tue Nguyen Minh
Measure angles in degrees and radians
Measure angles using your iPhone as a protractor. Select degrees or radians. Adjust the angle visually with intuitive controls.
Apps Like Deg2Rad for iPhone and iPad
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Ranked alternatives
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Calculator - Pad Edition
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
Calculator⁼
Impala Studios B.V.
Calculate, edit, and track results
Calculator provides basic and scientific calculation functions. Users can access a history of past calculations for review or reuse. It includes a live currency converter for exchange rate checks.
Rafter Help
Armchair Engineering
Calculate roof pitch and length
Calculate length and associated values for gable roofs. Input room width and ridge height to determine pitch, lengths, and ridge height. Use advanced options to enter pitch in radians, degrees, DMS, or rise/run.
Unit Circle Quiz - Memorize the Unit Circle
Chris Konstad
Study angles and coordinates
Study the by memorizing angles in radians and degrees along with their coordinates. Play a game to practice and track progress with a high score list. Compete to improve performance over time.
Metric Conversion tool
Wight Hat Ltd
Convert units, save time, stay accurate
Convert units between 30,000+ conversions. Switch between 160+ currencies including cryptocurrencies with live rates. Save favorite conversions for quick access. Display results in fractions when applicable.
John Cominio RPN Calculator
John Cominio
Calculate using RPN notation and scientific functions
Scientific with reverse polish notation. Perform square root, reciprocal, trigonometric functions, hyperbolic functions, and logarithms. Switch between degrees, radians, and gradians. Calculate factorials, exponents, and nth roots.
Trigonometry Help Lite
Armchair Engineering
Solve right-angled triangles
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
Trigonometry Help
Armchair Engineering
Solve right-angled triangles quickly
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic trigonometric formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
TechniCalc Calculator
Jacob Parker
Calculate equations naturally and precisely
Allows users to perform complex calculations with a natural equation entry system. It supports split screen, wireless keyboards, and Apple Watch integration. The displays full equations in real time and offers dark mode for enhanced readability.
Utility Spreadsheet Pro
Luminant Software, Inc
Edit spreadsheets with touch precision
Allows users to create and edit spreadsheets with formula dragging, sorting, and header freezing. It supports csv import/export for compatibility. Includes limited graphing features. Features an expanded keyboard for easy equation input.
Calculator RPN
Benjamin Pisano
Calculate with RPN and scientific functions
Perform complex calculations with scientific functions and RPN mode for efficient input. Access 54 math functions including logarithms, square roots, factorials, trigonometry, and coordinate conversions.
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