# pinwheel calculator

> type of mechanical calculator

**Wikidata**: [Q1429194](https://www.wikidata.org/wiki/Q1429194)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pinwheel_calculator)  
**Source**: https://4ort.xyz/entity/pinwheel-calculator


## References

1. Freebase Data Dumps. 2013