SimplexCalc is a multivariable desktop calculator for Windows. It is small and simple to use but with much power and versatility underneath. It can be used as an enhanced elementary, scientific, financial or expression calculator.
MS Excel Repair Tool can recover and repair the corrupted or inaccessible excel files. It can even recover deleted excel spreadsheets along with images, formatting, graphs, etc. One can recover their excel file with the help of this repair tool