Download ActiCalc Desktop Calculator
Windows built in calculator is good but not as great as ActiCalc Desktop Calculator, this tool is helpful and really handy when you are working on your billings. It's capable not only to work by itself but also it can work together with Microsoft Excel utility. It's one of a kind program that comes with a bunch of features helpful to edit, count and prepared a billing spreadsheet without mathematical errors and as fast as possible. Try it and see how awesome it is!
ActiCalc Desktop Calculator enables you to use it every time and anywhere, there’s no configuration needed and its installation will take you less than 2 minutes.