UnitCalc is an easy-to-use advanced calculator for performing real world calculations. By tracking the units of each quantity, UnitCalc is able to give you results that make the most sense for your calculations. It includes a calculation history log feature that keeps a record of your work, so you can review calculations later.
v1.1 [Sep 16, 2013]
* Upgraded evaluation engine to provide more accurate results more of the time
* Error messages are now more informative
* Variables that you have defined are now shown on list on side
* British spellings for metre, litre, etc are now valid
* Can now take units to integral powers- eg, m^2 for square meters
* Trig functions now accept inputs in either radians, degrees, or dimensionless inputs
* New units: thou, chain, league, fathom,cable, nautical mile, link, rod, chain, kilopond, pound-force, poundal, horsepower, townships, sections, kips, molarity, molality- in total, over 230 new units, abbreviations and spellings
* Volume units for US and imperial systems are now fixed
* Units are now displayed with correct plurality
* Many bug fixes
