The strange cousin of the complex numbers -- the dual numbers.
17:58
The complex number family.
26:51
New divisibility rule! (30,000 of them)
30:31
Climbing past the complex numbers.
13:55
Imaginary numbers aren't imaginary
13:33
How To Calculate Any Square Root
21:46
Complex Numbers Have More Uses Than You Think
15:05
Math's greatest Lie!!
38:52