Calculate as you type. If the result is a **
complex number**, this **online complex number calculator** gives the result in all different forms: **a+bi**, **r∠(θ)**, **re ^{(iθ)}** and

Use this **online complex number calculator** to calculate expressions containing **complex numbers**. You can enter complex numbers in the **standard form** a + bi or in **polar form** (*phasor*) r∠(θ) and get the result in all different forms. All **algebraic functions**, **trig**, **exponential**, **logarithmic**, **hyperbolic** functions with real or **complex arguments** are supported.