# imaginary part

> function from the complex numbers to the reals that maps a+bi to b, where a and b are real

**Wikidata**: [Q1341545](https://www.wikidata.org/wiki/Q1341545)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Imaginary_part)  
**Source**: https://4ort.xyz/entity/imaginary-part


## References

1. ISO 80000-2:2009 Quantities and units—Part 2: Mathematical signs and symbols to be used in the natural sciences and technology