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 ...

Create a table or use an existing one. Type =DEC2BIN(A2, B2) into the cell you want to place the result. Then press the Enter key to see the result. To see the other results in the table, drag the ...

When calculating time intervals in Excel, you are looking for the time that has passed between two given sets of time. Because Excel converts dates and times into numbers behind the scenes, ...

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 ...