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Excel Add Comments to a Formula

This page is an advertiser-supported excerpt of the book, Learn Excel 2007-2010 from MrExcel - 512 Excel Mysteries Solved. If you like this topic, please consider buying the entire e-book.

Add Comments to a Formula

Problem: I spent a great deal of time perfecting the formula shown below. I would like to leave myself notes about it so I can figure it out again six months from now.

LE10000480.jpg 

Figure 472 Will you remember why you added the COUNTIF?

Strategy: An old Lotus 1-2-3 function—the N function—is still available in Excel. It turns out that N of a number is the number and N of any text is zero. Thus, you can add several N functions to a formula without changing the result, provided that they contain text.

If you have figured out some obscure formula, you can leave yourself notes about it right in the formula.

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Figure 473 Add your comment as text in the N() function.

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