10326 424 1 Imaginary Numbers are Real - Part 1: Introduction 10326 424 1 Math Imaginary Numbers are Real

8864 259 0 Imaginary Numbers are Real - Part 2: A Little History 8864 259 0 Math Imaginary Numbers are Real

9286 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 9286 144 0 Math Imaginary Numbers are Real