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 ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Many stop lights at street intersections display a countdown of the remaining seconds before the light changes. If you’re like me, you count this time in your head and then check how in sync you are.