New on Desmos – Complex Numbers. Use the videos and examples from the Help Centre to learn about complex numbers on Desmos.
The Desmos Help Centre includes some example pages – for example, try Complex Multiplication.
For an introduction to complex numbers, try these very clear notes with exercises from Plymouth University. Sections are available on Basic Algebra, which includes Complex Numbers, Graphs, Trigonometry, Calculus, Vectors, Logic and proof, Matrices and Determinants, Vector calculus, Units, and Applications including Forces.
And I must finish with a story that has always made me smile!
Matt Bower’s ‘John and Betty’s Journey into Complex Numbers‘
