Complex numbers can be on planes {Argand diagram}, with real numbers on horizontal axis and imaginary numbers on vertical axis. Complex numbers can be on planes with polar coordinates: z = r * cos(A) + i * r * sin(A), where r equals length from point to origin {absolute value, complex number} {magnitude, complex number} {norm, complex number} {modulus, complex number}, and A equals angle to horizontal axis {argument, complex number} {phase, complex number} {amplitude, complex number}.
Mathematical Sciences>Number Theory>Number Types>Complex Number
3-Number Theory-Number Types-Complex Number
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Date Modified: 2022.0224