Calculate mathematical functions with precise fractional results using square roots. Input integers, rational, or irrational numbers. Convert results to decimal. Compute f(α), f(β), and their sum for two variable inputs.
by Jirou Fukuda★ 4.36 ratingsEducationFreeData updated 2026-09-13
The app calculates approximate air conditioning needs for a room. It uses room size, ceiling construction, window area, people, and heat-emitting equipment as input data to determine required cooling capacity in Watts or BTU/h.
Convert units between inches and centimeters instantly. Enter numbers to get immediate conversions. Save calculations for future reference. Share results directly. Perform quick and accurate measurements without additional steps.
Perform calculations for framing, concrete, tiles, and roofing with built-in unit conversions. Input project dimensions to estimate material quantities. Save and share calculation results. Sync data across devices for project management.
Calculate , Active , or Apparent using the formulas PF = P ÷ S, P = PF × S, and S = P ÷ PF. Enter any two values to instantly compute the third. Perform electrical efficiency calculations with precise mathematical relationships.
Calculate IPv4 and IPv6 addresses with masks, CIDR notation, and wildcard masks. Input data for hosts requirements and check validity. Swipe to navigate between networks or view decimal/binary IP addresses.
Estimate surface volumes by selecting shape and entering measurements. Calculate results in barrels and gallons. Supports tank displacement for rectangle and square spills. Includes a modern UI and Help & About screen for guidance.
Calculate volume, area, and price for sawn and roundwood. Name and comment on each calculation. Attach photos for documentation. Export calculations as PDF and email them with the Pro version.
Convert numbers between bases 2 to 95. Copy and paste values into a text box. Support for binary, decimal, hexadecimal, and 36. Case-insensitive input for bases 36 and below.