Dates and times are stored as serial numbers in Microsoft Excel, allowing for quick calculations and comparisons. Serial numbers for dates start on January 1, 1900, while times are decimalized ...

Although most of your paper money won’t be worth more than what it says, there’s a chance it might — even if it’s not decades old — based on the serial number. To find the value, or find out if your ...

There are worse things than having a wallet stuffed with $20 bills, especially in this economy. But did you ever stop to consider that those twenties in your pocket could be worth more than their face ...