How to Use Function

Functions can perform calculaitons and results in a single value. http://www.youtube.com/watch?v=_wjtFm-SXWM

using a spreadsheet with a link and 2 lables

Spreadsheet helps to do work more easily and efficiently.  It can calculate automatically and accurately. It's layout are very details and simple to use. It saves more time than write it on yourselves. it has a lot of fuctions like dictionary, doing calculations, and making presentations.






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