10432 424 1 Imaginary Numbers are Real - Part 1: Introduction 10432 424 1 Math Imaginary Numbers are Real

8943 259 0 Imaginary Numbers are Real - Part 2: A Little History 8943 259 0 Math Imaginary Numbers are Real

9363 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 9363 144 0 Math Imaginary Numbers are Real