8913 424 1 Imaginary Numbers are Real - Part 1: Introduction 8913 424 1 Math Imaginary Numbers are Real

7893 259 0 Imaginary Numbers are Real - Part 2: A Little History 7893 259 0 Math Imaginary Numbers are Real

8078 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 8078 144 0 Math Imaginary Numbers are Real