The conj( Command
CONJ.GIF

Command Summary

Calculates the complex conjugate of a complex number.

Command Syntax

conj(value)

Menu Location

Press:

  1. MATH to access the math menu.
  2. RIGHT, RIGHT to access the CPX (complex) submenu
  3. ENTER to select conj(.

Calculator Compatibility

TI-83/84/+/SE

Token Size

2 bytes

conj(z) returns the complex conjugate of the complex number z. If z is represented as x+iy where x and y are both real, conj(z) returns x-iy. Also works on a list of complex numbers.

conj(3+4i)
     3-4i

The conjugate of a number $z$ is often written $\overline{z}$, and is useful because it has the property that $z\overline{z}$ and $z+\overline{z}$ are real numbers.

Related Commands

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