Calculate the percentage of any number out of any number. Great little tool to have on hand.
Electrical Calculations software provides calculations and ratings for busbars, cable, power factor correction, motor starting, enclosure ventiation and many metric / imperial conversions and constants.
Unit Conversions 2000
Unit Conversions 2000 is a small utility that will allow you to quickly convert units of measure from one system to another. Facilities are included to convert various Lengths, Weights, Volumes, Areas, Density, Power and Scale measurements.
GraphiCal is a programmable calculator with graphical output which lets you visualize expressions and formulas as graphs in a chart. It has more than 50 built-in mathematical functions, and can integrate and find roots and extrema of functions.
Tiny but smart calculator: just type in any expression, like "2+3/7.1-3sqr 5", and hit Enter; then modify it and evaluate again without re-entering everything. 18-digit precision, 30 functions, 12 memories, fractions, deg/min/sec, more!
Any Place Calculator
Any Place Calculator allows you to make calculations in any place where it is possible to enter expressions (e.g. text editor, lines of input, etc.). All you have to do to count an expression in any text editor is to type it, and press the hotkey.