This app evaluates user input as it is typed, eliminating the need for an equals key. It allows users to enter formulas and multi-step expressions with intermediate variables, and stores all entered formulas for later reuse.
by Ivan Biaggio★ 5.02 ratingsProductivity$0.99Data updated 2026-09-20
Calculate fault current for electricians instantly.
The app calculates prospective fault current, prospective short-circuit current, and prospective earth fault current. It supports single-phase and three-phase systems and works offline.
Perform complex calculations with RPN and algebraic input. Handle arbitrary precision, complex numbers, and multiple bases. Work with vectors, matrices, and text. Solve equations symbolically and numerically. Graph functions and plot data.
Calculate roof dimensions including lengths, angles, heights, and layouts for hipped, gabled, and single-pitch roofs. Determine birdsmouth measurements and pitch. Switch between metric and imperial units. Set default values for common inputs.
Perform advanced calculations with formula editing and recalculation. Generate graphs for complex equations. Support for engineering and computations. Includes graphing capabilities for mathematical functions.
The app allows users to print or email calculation history as a PDF. It includes a backspace key for corrections and supports document exchange via iTunes.
Record skydiving and wind tunnel logs with customizable entry fields. View and export data as PDF. Track ratings, membership, line count, and repack dates. Sync with Dropbox and upload to Excel. Select dive sites based on location.