Home
C / ANSI-C
assert.h
Console
ctype.h
Data Structure Algorithm
Data Type
Development
File
Function
Language Basics
Macro Preprocessor
Math
math.h
Memory
Pointer
setjmp.h
signal.h
Small Application
stdio.h
stdlib.h
String
string.h
Structure
time.h
wctype.h
atan2 « math.h « C / ANSI-C
C / ANSI-C
math.h
atan2
1.
atan2: returns the arc tangent of a/b