Algebra & Equations
Complex Conjugate
Reflect across the real axis.
Formula
Formula
conj(a+bi) = a − bi
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| a | real part | real number (ℝ) | real | input |
| b | imaginary part | real number (ℝ) | imag | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givena (real) = 3, b (imag) = 5
Result3 + -5i
Example 2
Givena (real) = -2, b (imag) = -7
Result-2 + 7i