# sine integral
**Wikidata**: [Q2732008](https://www.wikidata.org/wiki/Q2732008)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Si_function)  
**Source**: https://4ort.xyz/entity/sine-integral


## References

1. ISO 80000-2:2019 Quantities and units — Part 2: Mathematics