Excel is a powerful software that can do more advanced tasks than you may imagine. You can get Excel to automatically update the date in your Excel document each time you open it. Learning how to ...

- Check the date and time as a positive value as long as the 1900 date system is used. - You can use formulas to subtract dates and add or subtract time correctly to avoid negative value results ...

How to subtract numbers in a single cell in Excel Standard subtraction in Excel is relatively simple. Click in an empty cell, type an equal sign and then enter the numbers you want to subtract.