One tiny symbol, but an absurd amount of spreadsheet drama.

In Microsoft Excel, the SIGN number is a math and trigonometry function that returns the sign of a number. The SIGN function returns 1 if the number is positive, zero if the number is 0, and -1 if the ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...