A tiny and nice calculator,very simple to use but enough to support your daily calculation.It could calculate any large float number easily.Input from keyboard or from Clipboard.Display the input and output in the same line at the same time.It support the following operators and function: (,),+,-,/,*,^,sin,cos,tan,arcsin,arccos,arctan,ln,log...Your also could define your daily used parameter or constants.
Free download Mini Expression Calculator - exprcalc.exe