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 ...

"I was good at math until middle school, and I always scored over 90 on regular tests.""Yet, as soon as I entered high school ...

A fact I recently learnedI recently finished reading a book on automata, and according to that book, Turing machines, lambda calculus, and recursive functions all have the same computational ...

A worksheet on evaluating the limit of a polynomial or rational function. The exercises aim to teach students that in order to find the limit of such functions you substitute the value of the limit ...