Calculate proportions directly or inversely
Calculate proportions using direct and inverse methods. Input known values to find unknowns in equations like "If X Foo equals Y bla, then Z Foo equals [?] bla". Solve for price, quantity, or other proportional relationships.
Showing 61–80 of 1,000 ranked alternatives.
Saren Inden
Calculate, solve, and explore equations
Perform calculations with a simple or interface. Solve equations step by step and view detailed explanations. Access calculation history for review or sharing. Generate graphs for visual representation of equations.
山 钟
Calculate between dates
Calculate the number of between two dates. Determine duration between dates and times. Find difference between two times. Export results as text or copy to clipboard.
Supagarn Pattananuchart
Calculate within any
Allows users to perform calculations directly within compatible apps. Input equations using the . Dark Mode is supported. Full iPadOS compatibility is available. Customization options are provided.
Sergii Nesterenko
Record and play animal calls
Record and play realistic calls for . Create custom call sequences with adjustable delays and loops. Supports background playback and screen lock. Includes buck grunts, doe bleats, and fawn distress sounds. Works offline without internet connection.
Denis Belmont
Calculate final prices instantly
Calculate final prices of discounted items with or without tax. Input original price and percentage. Automatically compute final selling price. View tax-inclusive totals. Share results via copy or email.
Cider Software LLC
Convert units and currencies instantly
A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
Rocket Apps GmbH
Snap, scribble, calculate
Snap and scribble to solve math problems. Perform basic, scientific, and fraction calculations. Convert currencies and view calculation history. Customize themes and use an intuitive design.
Beijing four time ledo Technology Co., Ltd.
Record calculations, edit steps, check results
Simplify calculations with a clean interface showing equations and results simultaneously. Record and edit operations. Access scientific functions. Choose from multiple themes. Subscribe for quarterly membership at ￥18.
Vicinno Soft LLC
Calculate with RPN and functions
Perform complex calculations using RPN entry system. Access hyperbolic and inverse hyperbolic trig functions. Calculate probability, factorials, and percentages. Support absolute, integer, and fractional values. Generate random numbers.
DANIIL VOIDILOV, IE
Calculate, store, and solve equations
Solves math problems with support for multi-story fractions, powers, and roots. Calculates trigonometric functions and complex numbers. Stores expressions and answers. Switches between basic, , and fraction modes.
Heng Jia Liang
Calculate sides and totals
Calculate the using inputs for the longest side, shorter side, or combined length. Perform instant calculations with support for up to 16 decimal places and various units. Copy results to another and view the formula as a reference.
Tan Chia Ling
Calculate motor power, torque, and
Motor calculator determines power, torque, or using physics formulas. Input values in various units and get results with up to 16 decimal places. Copy results to other apps. Includes formula references for calculations.
tasser gyati
Calculate, convert, and solve equations
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.
Applorium Ltd
Calculate dates and create countdowns
Calculate dates by adding or subtracting days, weeks, months, or years. Adjust calculations to exclude specific weekdays or dates. Determine intervals between two dates. Create customizable countdowns and display them as widgets on the home screen.
Mitsubishi Materials Corporation
Carbide tool calculations made simple.
The app calculates spindle speed and cutting speed for carbide tools. It supports inverse calculation and evaluation for milling, turning, drilling, threading, and ball nose operations.
MATRIKS GRUP, TOV
Calculate, customize, and solve equations
Customize the 's appearance with color changes. Switch between basic and scientific modes with over 30 operations. View calculation history and equations. Perform calculations with precision up to 75 significant digits.
Cider Software LLC
Customize themes and buttons
Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.
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