# split-complex number

> element of the real commutative associative algebra ℝ[j] / (j² − 1), i.e. the reals with an extra square root of +1 adjoined

**Wikidata**: [Q864145](https://www.wikidata.org/wiki/Q864145)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Split-complex_number)  
**Source**: https://4ort.xyz/entity/split-complex-number


## References

1. Freebase Data Dumps. 2013