Excel 2007
Graphing tutorial
To change default font - Click on upper left, choose options (bottom), popular, follow directions
Multiple lines in cell - When entering text into the cell, press Alt-Enter to insert a line break.
To reformat existing cells so they sport wrapped text, select the cells and then choose Format, Cells. On the Alignment tab, select "Wrap text," and click OK.
For graph - Insert, other charts, x,y scatter
Click on chart for "chart tools"
Undo - back arrow, upper left
Page layout, Sheet Options, Gridlines
Printing Excel chart