Calc
OpenOffice Clac is the spreadsheet application in the OpenOffice.org software suite. OpenOffice Calc has similar features as Microsoft Excel but is available for free and for Windows, Linux, and Mac OSX platforms.
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1 Calc Work Area
2 Creating a Speadsheet with Calc
3 Calc Keyboard Shortcuts
4 New Interface
5 Page Scaling
6 Entering Data
7 Merging Cells
8 Maintaining Text Entries
9 Entering Percentages
10 Change Vertical Alignment
11 Change Background Color
12 Create Borders
13 Editing Text/Data
14 AutoFill
15 Auto Format
16 Create Your Own AutoFormat
17 Numbers Format
18 Calc Fonts
19 Text Alignment
20 Borders