[MSDN Library April 2000] NPer (86.3636363636364%)
MSDN Library - April 2000 > Windows CE Documentation > Visual Development Environment > Windows CE Toolkit for Visual Basic 6.0 > Programmer's Reference > Methods
[MSDN Library April 2000] NPER (24.7873471557682%)
MSDN Library - April 2000 > Office Developer Documentation > Office 97 Documentation > Excel > Excel 97 Worksheet Functions Reference > Function Reference
[MSDN Library April 2000] NPer Function (21.9164456233422%)
MSDN Library - April 2000 > Office Developer Documentation > Office 97 Documentation > Office > Microsoft Office 97/Visual Basic Language Reference > Volume 5 > Microsoft Visual Basic for Applications Language Reference