8764 424 1 Imaginary Numbers are Real - Part 1: Introduction 8764 424 1 Math Imaginary Numbers are Real

7781 259 0 Imaginary Numbers are Real - Part 2: A Little History 7781 259 0 Math Imaginary Numbers are Real

7955 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 7955 144 0 Math Imaginary Numbers are Real