In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics.

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

The original version of this story appeared in Quanta Magazine. Calculus is a powerful mathematical tool. But for hundreds of years after its invention in the 17th century, it stood on a shaky ...

Nd0V5ZMqt93AcEam3KvQj0LizdoJA Find the Value that makes the Function Continuous Is the Functions Continuous or Not? Evaluate Limits using a Table of Values Evaluate Limits at Infinity Connect with me: ...