Proofs Euler's formula using the MacLaurin series for sine and cosine. Introduces Euler's identify and Cartesian and Polar coordinates.
Oliver Heavisite from wiki
Describes Oliver Heaviside's method to decompose rational functions of polynomials as they occur when using the Laplace or Z-transforms.
Perplexed-Girl doing math
Introduces complex numbers in an intuitive way, drawing a parallel to negative numbers.
Perplexed-Girl doing math
Introduce the functions that operate on complex arguments. Shows how arithmetic functions extend from the 1D number line into the 2D complex-plane.
Eukleides of Alexandria (Euclid), a Greek mathematician, produced a general method to solve quadratic equation around 300 BC.
A quadratic equation is any equation that can be rearranged in standard form as ax2+bx+c=0