# Pascal's calculator

> mechanical calculator

**Wikidata**: [Q873501](https://www.wikidata.org/wiki/Q873501)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pascaline)  
**Source**: https://4ort.xyz/entity/pascal-s-calculator


## References

1. Freebase Data Dumps. 2013
2. [Source](https://www.britannica.com/technology/Pascaline)
3. Quora