In this tutorial, I’ll show you how to combine a custom number format and data validation to force users to enter the correct number of numeric digits.

Entering fractions in Microsoft Excel isn’t exactly intuitive, but it is easy. Learn how to enter and display fractions as either fractions or as decimal values.

How to Enter a Subscript in Excel. Properly formatting expressions such as "H2O" in your Excel spreadsheet requires the use of subscripts. Subscript formatting makes a letter or number appear ...

The most obvious way to increment a number in Excel is to add a value to it. Start with any value in cell A1, and enter "=A1+1" in cell A2 to increment the starting value by one.