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

👉 Learn all about asymptotes of a rational function. A rational function is a function, having a variable in the denominator ...

When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Using high school algebra and geometry, and knowing just one rational point on a circle or elliptic curve, we can locate infinitely many others. You’re sitting at the end of a long conference table, ...

On weekdays, he stands in front of a classroom of 20, dry-erase marker in hand, gently guiding students through trigonometry, ...