If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit 5: Complex numbers

1,900 possible mastery points

About this unit

Use your imagination and complexity (?) and dive into the world of complex numbers. Add, subtract, multiply, & divide complex numbers. Plot them on the complex plane and convert between rectangular and polar forms.

Level up on the above skills and collect up to 400 Mastery points
Level up on the above skills and collect up to 320 Mastery points
Level up on the above skills and collect up to 320 Mastery points
Level up on the above skills and collect up to 320 Mastery points
Level up on the above skills and collect up to 160 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1,900 Mastery points!