Microsoft Excel '97
Open a new document and press F5. Then in the box, type in X97:L97. Click
OK. Then, press Tab once. This should put you at M97. Then, hold Ctrl+Shift
and press the Chart Wizard button. NOTE: This only works in Excel 97, and you
can't just go straight to M97.
Thanks to Revolution readers Alex Gelb and Mr Brylcreem!