# Chisanbop

> abacus-like finger counting method for basic mathematical operations, created in the 1940s by Sung Jin Pai

**Wikidata**: [Q5102047](https://www.wikidata.org/wiki/Q5102047)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chisanbop)  
**Source**: https://4ort.xyz/entity/chisanbop


## References

1. Freebase Data Dumps. 2013