10525 424 1 Imaginary Numbers are Real - Part 1: Introduction 10525 424 1 Math Imaginary Numbers are Real

9014 259 0 Imaginary Numbers are Real - Part 2: A Little History 9014 259 0 Math Imaginary Numbers are Real

9439 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 9439 144 0 Math Imaginary Numbers are Real