A: First, select the "Tools" menu under "Options", open the "Recalculate" tab, find the "Workbook options", check one of the "Accept labels in formulas" option. The following specific examples to illustrate: in the worksheet cells B1 and C1, respectively, enter the title in 2005 and 2006; in cell A3 and A4, respectively, enter "sales" and "cost"; then between cell B2 to C4 Enter some numbers. To calculate the B5 and B6 in the cells show the results of income, then you only need to enter the cell "= sales - costs" can be. This is because in the same column may be omitted in column headings. Easily create a formula to draw income in 2006 and 2005 the difference, simply enter the formula in a cell "= 2006 revenues -2005 income."
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