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 ...

In the Idea of Limits video, we introduce the idea of limits and discuss how it underpins all of the major concepts in calculus. In the Limit Laws video, we introduce the limit laws and discuss how to ...

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 ...

In recent years, bi-univalent functions and fractional calculus have attracted considerable attention due to their strong theoretical foundations and potential ...