1. Introduction
A procedure that calls itself uses recursion. Each call draws a little, changes an input, and calls again.
A base case such as if :n < 1 [stop] makes sure the calls eventually finish. Explore the complete examples below.
A procedure that calls itself uses recursion. Each call draws a little, changes an input, and calls again.
A base case such as if :n < 1 [stop] makes sure the calls eventually finish. Explore the complete examples below.