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 ...

The TIMEVALUE function in Excel is used to convert a time string into a decimal number that Excel recognizes as a time value. This decimal can then be formatted as a time or used in calculations. This ...

Many Microsoft Excel sheets store date and time values. Sometimes the two values appear in the same cell, and sometimes they do not. If you work with dates and/or times, you need a good understanding ...

Q. Thanks for your advice in the September 2001 issue on converting fractions in Excel into decimal values. But how about those of us who need to do the reverse—that is, convert decimal values into ...