8960 424 1 Imaginary Numbers are Real - Part 1: Introduction 8960 424 1 Math Imaginary Numbers are Real
7926 259 0 Imaginary Numbers are Real - Part 2: A Little History 7926 259 0 Math Imaginary Numbers are Real
8125 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 8125 144 0 Math Imaginary Numbers are Real
