11805 424 1 Imaginary Numbers are Real - Part 1: Introduction 11805 424 1 Math Imaginary Numbers are Real
10129 259 0 Imaginary Numbers are Real - Part 2: A Little History 10129 259 0 Math Imaginary Numbers are Real
10371 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 10371 144 0 Math Imaginary Numbers are Real
