# 复数

Calculator supports complex numbers, as well as the following functions while in Advanced mode.

Re | Returns the real part of a complex number. For example: Re (2-5i) = 2
Im | Returns the imaginary part of a complex number. For example: Im (2-5i) = -5
conj | Returns the conjugate of a complex number. For example: conj (2-5i) = 2+5i
Arg | Returns the argument of a complex number. For example: Arg (2-5i) = -68.1986