[MSDN Library June 1998] ATAN (100%)

MSDN Library Visual Studio 6.0 > Microsoft Office Development > Office 97 Documentation > Excel > Excel 97 Worksheet Functions Reference > Function Reference

[MSDN Library June 1998] ATAN( ) Function (25.9488304093567%)

MSDN Library Visual Studio 6.0 > Visual FoxPro Documentation > Reference > A to Z Language Reference

[MSDN Library June 1998] atan, atan2 (15.5083220872695%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Using Visual C++ > Visual C++ Programmer's Guide > Run-Time Library Reference > Alphabetic Function Reference > A Through B

[MSDN Library September 1992] atan Functions (14.1194331983806%)

Product Documentation > C/C++ 7.0 > Run-time Library Reference > PART 2 Run-Time Functions > Alphabetic Function Reference > A

[MSDN Library June 1998] atan (10.0648757309942%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Reference > C/C++ Language and C++ Libraries > Standard C++ Library Reference > valarray