HubbleCommand.github.io

Personal blog, project documentation, and ramblings

Checkerboard Calculator

Posted 05 Jan 2025

tags: math

This is sort of a continuation from my post about the Recamán Sequence. There was another video a family member showed me about how a checkerboard as a calculator.

The idea is fairly simple: you can find the multiplication of two numbers if you represent them in binary, and shift the intersection of those numbers on a grid.

So… here goes.

x =

.....

ms

It’s not perfect. There’s some additional animation that I could put, and there’s the whole division & powers part that I didn’t bother doing. However, for now, this is all I have time for.

Take it or leave it.