# sign convention

> arbitrary choice for the direction of physical significance of mathematical objects

**Wikidata**: [Q2829907](https://www.wikidata.org/wiki/Q2829907)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sign_convention)  
**Source**: https://4ort.xyz/entity/sign-convention


## References

1. Freebase Data Dumps. 2013
2. Quora