# Weierstrass function

> function that is continuous everywhere but differentiable nowhere

**Wikidata**: [Q94491](https://www.wikidata.org/wiki/Q94491)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Weierstrass_function)  
**Source**: https://4ort.xyz/entity/weierstrass-function


## References

1. Freebase Data Dumps. 2013