Seven Windows 7 Calculator features you may not know about        this topic help pepole that need  spreadsheet like accounting people or enginering           Windows Calculator program has been a part of Windows since    version 1.0. What started out as a simple arithmetic calculator has evolved into a far more powerful and diverse too.          you may already know that the Windows 7 version of Calculator performs basic arithmetic,   as well as scientific, programmer, and statistical calculations. What you may not know is that it can also calculate mortgage payments, fuel economy, perform unit conversions, and more.     Here are seven Windows 7  Calculator features you may not know about       Calculate mortgage payments      No need to search online for a good mortgage calculator; you've got one built right into Windows. From Calculator, go to View > Worksheets > Mortgage. You can choose fr       monthly payment, down payment, purchase price, and term in years  ...