# LEARN DESMOS: Summation

What’s the sum of the first 100 counting numbers? Where does the sum of the powers of ½ converge to? How can you visualize the Taylor series expansion for sine? Answer these questions (and more!) with summation in Desmos. Get started with the video on the right, then dive deeper with the resources and challenges below.

Happy learning!

– *Team Desmos*

## Summation in action

*"The best way to learn is to do." – Paul Halmos*

### Graphing Challenges

Stretch your skills with graphing challenges.

### Example Graphs

Learn more by exploring example graphs.

## LEARN MORE

Need help picking your next Learn Desmos topic? Try one of these, or check out the full menu.