# bipolar coordinates

> 2-dimensional orthogonal coordinate system based on Apollonian circles

**Wikidata**: [Q2383591](https://www.wikidata.org/wiki/Q2383591)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bipolar_coordinates)  
**Source**: https://4ort.xyz/entity/bipolar-coordinates


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)