Module:Sandbox/Luis150902/doc explained

Information

Uses and .

Usage

{{#invoke:|function_name|args}}

, where function_name is "f" followed by a natural number (N) and args is a pipe-separated list of arguments.

N = 1

Gets the length, in characters, of the first argument.

N = 2

Counts its arguments.

N = 3

Performs the operation specified by the first argument in the remaining arguments.

Available operations: "+", "-", "*", "/", "%", "!" (boolean NOT).