You can add a zero before a number in Google Sheets and Excel using this tutorial. You need to change cell formatting or use function.

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 ...

How to Multiply the Cells of a Column to the Result of a Formula in Another Cell in Microsoft Excel. Multiplying an entire Excel column by the results of a formula can be a little tricky ...

Excel creates most commonly used barcodes, either from free installed fonts, or add-ins for a price. Here's how.