Although you can manually enter unique numbers for each item, doing so is tedious and time intensive for long lists. Instead, continuously increment a number in Microsoft Excel to produce these ...

When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number ...

You can subtract numbers in Microsoft Excel in a few different ways, depending on your data and formatting.