11062 424 1 Imaginary Numbers are Real - Part 1: Introduction 11062 424 1 Math Imaginary Numbers are Real
9486 259 0 Imaginary Numbers are Real - Part 2: A Little History 9486 259 0 Math Imaginary Numbers are Real
9877 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 9877 144 0 Math Imaginary Numbers are Real
