User vs Mathematica functions
135948
Replace custom functions, leave built in functions untouched?
143466
Roots of functions / polynomials
129281
How to compose two functions?
36989
Determining functions from specifications...
85235
How many arguments does a function require, and how to use that in `Manipulate`
127175
How to correctly set functions using `\left(` and `\right)`?
1112
What are the best practices / most common / idiomatic ways to report errors in Mathematica?
55169
Minimal effort method for integrating C++ functions into Mathematica
114735
F# Functions vs. Values
55536
Advice for Mathematica as Mathematician's Aid
146353
Is there a way to rewrite integrals in Mathematica using u substitution?
127695
Input Aliases in Mathematica 10
30438
Best practice of passing a large number of parameters to functions
64890
Which is more preferable to use: lambda functions or nested functions ('def')?
71807
Defining a function by equations with different number of arguments
14404
Functions vs. patterns
109028
Mathematica as a normal programming language