XL

XL

1. Microsoft Excel.

XL is a shorthand abbreviation for Microsoft Excel. XL was once encouraged by Microsoft as the standard abbreviation for Microsoft Excel.

For more information see:

• http://everything.explained.at/Microsoft_Excel/ - Microsoft Excel Explained.

2. Roman numeral for 40.

In Roman numerals the letters XL represent 40. X represents 10, L represents fifty, so XL represents X taken away from L (10 away from 50 = 40).