Open Microsoft Excel. Enter a list of values in column A. As an example, you might enter item costs as "$10.95," "$9.99" and "$29.99" in cells A1 through A3.

Subtraction is the easiest way to count days between two dates in Excel. You can use the arithmetic operator – (minus sign) to subtract one date from another to find the number of days between them.

Comparing two columns in Excel doesn’t have to be a difficult task, and to get the job done, we suggest using VLOOKUP.You see, not always; the columns you want to compare are in the same ...

To multiply certain numbers or cell values in Excel, you’ll need to use the * (asterisk; also called "star") operator. To multiply two numbers in Excel, you can type the formula =number1*number2 in ...