Mixed unit decimal and fraction construction calculator. archCalc is a mixed unit decimal and fraction construction calculator. It allows one to enter dimensions in standard english and metric units of measurement, perform basic calculations, convert between units, keep track of a series of operations, and easily solve for a leg or slope of a right triangle.

archCalc works as a standalone calculator or in conjunction with other programs, calculating stair risers in CAD software, or aiding in takeoffs with a spreadsheet. archCalc floats above applications allowing one to work with it as if it were a part of the active application.

archCalc Features:
1. improved interface
2. Windows and OS X compatible
3. solve triangle functions
4. trig functions
5. convert between units
6. convert between fractions and decimal
7. tape display.

The license of this software is Free Trial Software, the price is $20.00, you can free download and get a free trial.