Microsoft Math Graphing Calculator
Ever find yourself in need of a graphing calculator? Don't want to pay 100 dollars for a new calculator? Then Microsoft may have a solution for you. This product used to be $20 but now is free. Visit this site for more information: http://blogs.msdn.com/b/alfredth/archive/2011/01/20/microsoft-math-4-0-and-more.aspx Visit this site to download the software: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9caca722-5235-401c-8d3f-9e242b794c3a Enjoy!