A binary function $~$f$~$ is a function of two inputs (i.e., a function with arity 2). For example, $~$+,$~$ $~$-,$~$ $~$\times,$~$ and $~$\div$~$ are all binary functions.

https://arbital.com/p/binary_function

by Nate Soares May 12 2016 updated May 13 2016

A binary function $~$f$~$ is a function of two inputs (i.e., a function with arity 2). For example, $~$+,$~$ $~$-,$~$ $~$\times,$~$ and $~$\div$~$ are all binary functions.