I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

After seeing an exhibit of an old relay-based computer as a kid, [Simon] was inspired to build a simple two-relay latching circuit. Since then, he’s been fascinated by how relays can function to do ...

Sure, here is the revised description with all links and their accompanying text removed: Learn how to multiply two functions. We will explore the multiplication of linear, quadratic, rational, and ...