The app calculates the proportion between two values expressed in percent. It allows users to find the percent increase or decrease between two values.
by Piet Jonas★ 3.02 ratingsUtilities$0.99Data updated 2026-09-12
Create and manage albums. Import and export from the photo . Preserve and view Exif data including date, ISO, and GPS. Search by caption or description. Create slideshows and play videos. Edit with cropping, orientation adjustments, and filters.
Calculate trigonometric values for the by inputting radians or angles. Display step-by-step solutions and support negative numbers, decimals, and fractions. Save calculations in history and share results.
Calculate values with hours, minutes, and seconds. Perform math operations including multiplication and division. Convert between distances and standard numbers. Track splits and paces for -based activities.
Calculate based on birth date. Track compatibility with others. Create up to 10 user profiles with custom color themes and daily reminders. View biorhythm data for a two-week period.
Calculate payments with options for weekly, bi-weekly, or monthly schedules. Determine taxes, upfront payments, total amount, interest, and total cost. Adjust payment amounts and view detailed breakdowns.
Calculate elapsed between start and end times. Track up to 10 cases simultaneously. Sum across all cases. Save and view calculation history. Manage shift work schedules using data.
The app calculates time between two dates in months, weeks, days, and business days. It allows users to save calculations for future reference and countdown to important dates or events.
The app calculates loan payments, interest rates, present value, and future value. Values are displayed above the keys for easy reference on the user's iPhone and iPad.
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.
Calculate digital compensator coefficients easily.
The app calculates digital compensator coefficients using analog compensator values or directly with poles and zeros. It supports Type II and Type III error amplifiers and remembers the last set of variables.
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.
Calculate kVA, kW, Amps, Volts, and Power Factor using single or three-phase formulas. Input two values to determine the third. Convert between kVA, kW, and Amps. Supports UPS, generator, and transformer calculations.