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 ...

Using Excel's number format tool means you can ensure your spreadsheet both looks the part and handles your data exactly how you want it to. In this article, I'll explain what each number format is, ...