Prentice-Hall International-UK made a mistake in the online offer made to TidBITS readers for my book. They have been offering 20 percent off 18.50 pounds, when in fact the base price they should have been charging was 27.50 pounds, which is now in effect. Sorry for the mistake, and if you lucked out on the lower price, congratulations.
Data Tables in Microsoft Excel 2008
Data Tables let you see how the results of a formula change as its underlying variables change. After entering data, select the entire table and choose Data > Table. Then tell Excel which row input cell and column input cells you want the table to use. Finally, click OK. Excel will crunch the numbers and present a new Data Table.
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