# Complex numbersHTML5

QR code

## Summary

Rectangular and polar representation of a complex number and its conjugate in both Cartesian and Polar coordinates.

Choose the type of coordinate system you wish to use.

Then click and drag the point "Z" through the complex plane.

With polar coordinates, you can select either degrees or radians as units of angle measure.

## Learning goals

• To visualise the representation of a complex number in the complex plane.