9964 424 1 Imaginary Numbers are Real - Part 1: Introduction 9964 424 1 Math Imaginary Numbers are Real

8618 259 0 Imaginary Numbers are Real - Part 2: A Little History 8618 259 0 Math Imaginary Numbers are Real

8998 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 8998 144 0 Math Imaginary Numbers are Real