Do these functions exist?
47992
Is there a function $f\colon\mathbb{R}\to\mathbb{R}$ such that every non-empty open interval is mapped onto $\mathbb{R}$?
65116
Function with condition
102125
Is there a function thats not in Big O and not in Big Omega?
118201
How would you list the available functions etc contained within a compiled library?
116646
implementing functions in a game
57071
Examples of Recursive functions
49088
What are the functions that make composite functions called?
4084
Does there exist a holomorphic function with the following property?
29403
Finding functions $f: \Bbb R_*^+ \to \Bbb R_*^+$ with certain properties
20568
Does the following have a solution for f(x,y)?
43564
Functions that remember some arguments while not remembering other arguments
71258
Functions with both optional arguments and options
33788
List of compilable functions
126869
Listing defined functions in Bash
50104
Is there a built-in function which detects singularities in a function?
24177
Is there a comprehensive list of functions with operator forms?
27460
Virtual functions