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

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be ...

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

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at ...