Wolfram Research
Wolfram Math World: Complex Number
This MathWorld site give a thorough definition of complex numbers. The first paragraph explains the fundamental knowlege base and notation for complex numbers. The site discusses complex numbers in the phasor form, de Moivre's identity,...
Wolfram Research
Wolfram Math World: De Moivre's Identity
This MathWorld page states de Moivre's Identity.
Wolfram Research
Wolfram Science World: Abraham De Moivre (1667 1754)
This site from ScienceWorld provides a brief two sentence overview of Abraham DeMoivre's life and his famous formulas. Links are provided to view both the Stirling's formula, as well as the Gaussian integral.