Google Spreadsheets

Google Spreadsheets is an Online spreadsheet application that allows you to store, share, collaborate and publish your spreadsheets to the Web. Google spreadsheets will perform mathematical functions, graph your data and allow you to collect data via an Online form. There is also a chat feature that allows you to look at data with others and chat about it Online in real time.

Using Google Spreadsheets: Part 1 - Enter and Graph Data

Using Google Spreadsheets: Part 2 - Create a Form