(0:00) Introduction. (2:02) Syllabus. (11:00) Module 1: Complex Number Addition and the Complex "Argand" Plane, Activity 1. (19:29) Complex arithmetic examples (the complex number system forms a field under ordinary addition and multiplication). (32:31) Check the division with Mathematica. (34:03) Mention extra videos about Mathematica usage for complex arithmetic (Chapter 1). (36:03) Mobius transformations revealed video. (40:23) Inversion transformation on Mathematica. (42:44) Real cube root function in Mathematica. (43:50) History of complex numbers and a couple examples related to Cardano's formula. (58:11) Ungraded exercise to do before Lecture #2.
Based on "Fundamentals of Complex Analysis, with Applications to Engineering and Science", by E.B. Saff and A.D. Snider (3rd Edition). "Visual Complex Analysis", by Tristan Needham, is also referred to a lot. Mathematica is often used, especially to visualize complex analytic (conformal) mappings.