8332 424 1 Imaginary Numbers are Real - Part 1: Introduction 8332 424 1 Math Imaginary Numbers are Real
7460 259 0 Imaginary Numbers are Real - Part 2: A Little History 7460 259 0 Math Imaginary Numbers are Real
7600 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 7600 144 0 Math Imaginary Numbers are Real
