Richard Feynman once made a statement to the effect that the history of mathematics is largely the history of improvements in notation — the progressive invention of ever more efficient means for ...

Last month, we saw how you can use vectors to define complex circuits and determine current. This month, we'll show you how to use vector diagrams and some simple math to calculate neutral currents in ...

Learn how to find the unit vector of a vector written as a linear combination. I make short, to-the-point online math ...