Excel has a surprising limitation that you may not discover until you try to enter more than 15 digits in a cell. The application can only store numbers with15 digits of precision.

You may want to multiply cells or numbers in Microsoft Excel to analyze data. Here's what you need to know to do it.

Counting records or values in Microsoft Excel is easy. Counting individual cells by their fill color definitely isn't. Using an old function and a matrix tames the problem.