PRESS ONE OF THE NUMBERS 1, 2, 3, 4 to see a curve with parametric equations. Press 'See inside' to look at the equations. Press b to change the background. Nr 4: Press shift+green flag for faster drawing (Turbo).
This is my answer to a question asked on LCL2020 about how to draw curves with parametric equations. Backgrounds: squares with side length 20 steps, squares with side length 10 steps, black
