Scheme sumOfDigits phases of execution

1. One at a time: You control STEPs slides of the sweet sixteen execution phases. This shows one at a time under your control via PREVIOUS and NEXT buttons.

2. One at a time: Animated sweet sixteen execution phases, courtesy of Dr. Scheme Step option. You control the SPEED of the animation.

3. Static view shown vertically and centered.

4. Static view side by side if your browser window in wide enough.