8106 424 1 Imaginary Numbers are Real - Part 1: Introduction 8106 424 1 Math Imaginary Numbers are Real
7288 259 0 Imaginary Numbers are Real - Part 2: A Little History 7288 259 0 Math Imaginary Numbers are Real
7411 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 7411 144 0 Math Imaginary Numbers are Real
