11969 424 1 Imaginary Numbers are Real - Part 1: Introduction 11969 424 1 Math Imaginary Numbers are Real
10298 259 0 Imaginary Numbers are Real - Part 2: A Little History 10298 259 0 Math Imaginary Numbers are Real
10519 144 0 Imaginary Numbers are Real - Part 3: Cardan's Problem 10519 144 0 Math Imaginary Numbers are Real
