Most numbers used in business are based on 10 – commonly known as the decimal system. One dollar is $1.00 and a half-dollar is $0.50. Time, of course, is an exception because it's based on 12. The day ...

Trying to use an Excel Date and Time function, but Excel returns a serial number instead of date; this is because Excel stores dates and times in serial numbers in the backend; for instance, when you ...

How to Control Data Conversions in Excel for Windows and Mac Your email has been sent After years of struggling with Microsoft Excel's internal conversion feature, users can now disable Excel's ...

When you enter a date that's formatted with slashes, Excel will recognize it as a date. For example, Excel will automatically choose the date format for a cell that contains 11/11/19. You can set ...