I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

TeX is a typesetting standard that, among other things, allows you to typeset complex math formulas. One flavor of Tex is LaTeX, for which LaTeXiT serves as a front-end for on Mac OS X. Using LaTeXiT, ...

In this video, I will show you how to evaluate an angle in degrees using the sum formula of cosine. We will need to use the ...