Google Spreadsheets are a important way to view, calculate and call/Import information from the web /other spreadsheets.
Google Spreadsheets Functions range from basic =SUM() calculations to advanced combined formula, charts, external text information and array data control.
Google spreadsheet function help you control and manipulate the Cell Data and information to your specific needs.
Here are some Basic Spreadsheet functions common to most spreadsheet software
(ie. Microsoft Excel , LibreOffice, OpenOffice.org Calc)