## Infinite Series

Find the sum of the following infinite series:

+ + + + + ...

1

6

5

36

19

216

65

1296

211

7776

View the solution

Fractional Equation

Inscribed Circle

# Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

# Blogs on This Site

Reviews and book lists - books we love!

The site administrator fields questions from visitors.

Like us on Facebook to get updates about new resources