Treffer: Calctron 3000: A Javascript Calculator.

From Dustin Hoffman to Russell Crowe,1 calculators have played an important role in the everyday lives of humans ever since the Babylonians first put stones on some lines in the sand (or was it the Chinese, as some pundits claim—I'm no historian, so I'll leave that debate to more qualified folks). Why not bring the idea into the modern age and build one in JavaScript for ourselves? [ABSTRACT FROM AUTHOR]