The problem with "circuit simulators" on the web Most browser-based circuit tools either fake it animate current flow without real math or wrap an existing SPICE engine. I wanted to actually implement the math myself — a Modified Nodal Analysis MNA ...

If you have ever popped the back off anything with a circuit board inside, you have seen resistors. They are the little striped cylinders, the tiny black rectangles, the ceramic blocks bolted to a heatsink. They are everywhere, and most of them look ...