kanakku is Web 2.0 application that was designed to be used as a productivity utility. The application is a free online utility that is a combination of a Spreadsheet and a calculator. It lets users perform mathematical operations(arithmetic, trigonometric, statistic, etc) and tracks the previous operations made through the use of the console. Here is video describing the basic features of the app. http://www.youtube.com/watch?v=NuIW1f4ZkMo