I have a cell in which I will input the last day of a month (e.g., 1/31/09, 2/28/09, etc.) In another cell, I want Excel to show the last day of the previous month. Is there a formula to calculate this automatically?
I enter in Cell 1: 1/31/09
Excel calculates in Cell 2: 12/28/08
I enter in Cell 1: 2/28/09
Excel calculates in Cell 2: 1/31/09
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