Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.
by Tapbots★ 4.711,113 ratingsUtilitiesFreeData updated 2026-09-08
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
The app allows users to print or email calculation history as a PDF. Users can correct entries with a backspace key and customize display and tape fonts, colors, and sizes.
Offers seven-in-one functions including basic, scientific, and unit conversion tools for currency, distance, weight, time, and data. Switch between modes by rotating the device. View operation history on the screen. Use degree or radian settings.
Measure objects using touch as or tape measure. Split objects into equal parts and calculate width/height ratios. Estimate diameter, angles, and divide circular objects. Switch between millimeters and inches for units.
Perform basic arithmetic operations, including addition, subtraction, multiplication, and division. Use parentheses for complex calculations. Switch between light and dark themes for better visibility.
Performs X, Y, R radius calculations and theta measurements. It includes -specific functions for ducting offsets and angle computations. Features dimensional math, geometry, and trigonometry tools for precise construction calculations.
Perform complex calculations with scientific functions and engineering tools. Input equations, use memory functions, and switch between degrees and radians. Save results and view calculation history.
Learn and practice language skills through interactive animations and AI-driven lessons. Complete exercises to improve expression and logical thinking. Track progress with structured, science-based content and receive instant feedback.
The app offers financial calculations including time value of money, cash flow analysis, and depreciation. It also includes statistics, date calculations, and interest computations, with a user interface designed for simplicity.
Perform calculations in a stack format. Each line functions as a standalone calculation or interacts with others. Edit, delete, or rearrange entries. Use mathematical functions and parentheses. Save and recall previous calculations.
Convert units across 16 categories including temperature, currency, distance, weight, and volume. Access a standard and scientific within the . Units are organized by usage frequency with commonly used units displayed first.
Currency converter lets users switch between currencies. Unit converter changes measurements like length and temperature. Percentage computes percentages. BMI estimates body mass index. Tip determines tips based on bill amount.
Convert units across length, area, volume, angle, mass, pressure, and more. Check real-time currency exchange rates. Recalculate instantly with updated values. Save frequently used conversions for quick access.
Calculate with formulas and swipe between calculators
A calculator displays formulas during calculations. Users can switch between seven calculators by swiping. Perform basic and advanced math operations. Store and reuse calculation history. Adjust display settings for different modes.
Measure angles of elevation, slope, and incline using device motion. Determine roll angles for vehicles and aircraft. Calculate roof pitch and antenna look angles. Align pictures and measure tape or chain slopes.