[MSDN Library April 2000] IS Functions (52.375730994152%)
MSDN Library - April 2000 > Office Developer Documentation > Office 97 Documentation > Excel > Excel 97 Worksheet Functions Reference > Function Reference
[MSDN Library April 2000] Is Operator (33.8435464930074%)
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
[MSDN Library April 2000] IS [NOT] NULL (T-SQL) (20.5322758114799%)
MSDN Library - April 2000 > Platform SDK > Data Access Services > Microsoft SQL Server Programmer's Toolkit > Building SQL Server Applications > Transact-SQL Reference
[MSDN Library April 2000] Is-Deleted (19.5197589934432%)
MSDN Library - April 2000 > Platform SDK > Messaging and Collaboration Services > Microsoft Exchange Server > Microsoft Exchange Server Programmer's Reference > Reference > Directory Schema > Directory Schema Attributes
[MSDN Library April 2000] Is-Deleted (18.8075082811925%)
MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Active Directory, ADSI, and Directory Services > Active Directory > Active Directory Reference > Active Directory Schema > Attributes
[MSDN Library September 1992] is Functions (17.2064777327935%)
Product Documentation > C/C++ 7.0 > Run-time Library Reference > PART 2 Run-Time Functions > Alphabetic Function Reference > I-K