MS Excel
To hold row and column titles in place so that they do not scroll when you scroll a worksheet click the

Split command on the window menu
Freeze panes command on the window menu
Hold titles command on the edit menu
Unfreeze panes command on the window menu

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MS Excel
Rounding errors can occur

Because excel uses hidden decimal places in computation
When you show the results of formulas with different decimal places that the calculated results
When you use multiplication, division, or exponentiation in a formula
When you use addition and subtraction in a formula

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MS Excel
To center worksheet titles across a range of cells, you must

Format the cells with the comma style
Select the cells containing the title text plus the range over which the title text is to be enfettered
Select the cells containing the title text plus the range over which the title text is to be centered
Widen the columns

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