UnitMaster is both a unit converter and RPN Calculator. It can perform the following operations:

•Is document-based. Add new categories, add new units, edit existing units, and save your data to a custom location.

•Includes the following categories by default:
⁃Length
⁃area
⁃volume
⁃power
⁃data storage
⁃data transfer
⁃time
⁃speed
⁃acceleration
⁃temperature
⁃mass
⁃force
⁃energy
⁃electric current
⁃electric charge
⁃Currency

•Derives categories from other categories of measurement, e.g., Velocity is created by dividing length by time.

•Performs calculations with units and verifies dimensional correctness of equations involving units.

•Stores a previously entered calculation for easy recall as a mathematic expression.

UnitMaster is a handy tool for students, physicists, scientists, and engineers.