Numculator is an user-friendly, easy to use but strong expression calculator.
Numculator allows you to calculate the whole expression, not just one operation at time. Dont spent time on each operation - get the final calculation result immediately! Numculator supports activation by NumLock key so you can start just after it pressed. About 40 built-in skins will help you to individuate your Numculator.
Main features
* Calculate expressions which contains math operations and functions (example: 10+2*6-3*Sqrt(4)+Sin(PI))
* Calculate percents (example: (100+5%) + 10%200)
* Calculate and convert decimal, hexadecimal and binary numbers (example: 10+0xA+0b1010)
* Get results of statistic functions (example: Min(3;4;5)+Max(6;7;8;9))
* Calculate dates and times (example: {2007-11-25 10:0:0}+10days)
* Remember in calculators memory unlimited count of values. It is possible to remember whole expressions
* View and save your calculation history
* Change inteface with 40 built-in well-looking skins

The license of this software is Free Trial Software, the price is $9.99, you can free download and get a free trial.