Complex number calculator

Your files never leave your computer: everything runs in your browser.

Add, multiply, divide and raise complex numbers, and switch between rectangular (a+bi) and polar (r∠θ) form. For example, (1+i)⁴ + (1−i)² = −4 − 2i.

Unir PDFs

Combina varios PDF en un solo documento, página a página.

Varios PDFs
Un PDF (Unido)
Haz clic para seleccionar o arrastrar archivos Click to select or drag & drop files

Tus archivos se procesan únicamente en la memoria local de tu dispositivo. Your files are processed only inside your local device memory.

How to use it

  1. Type i with the ENG key (or the letter i on your keyboard).
  2. Use OPTN for modulus, argument, conjugate, real or imaginary part and ▸r∠θ.
  3. Press =.

Frequently asked questions

Can I enter polar form?

Yes, with the ∠ symbol (SHIFT (−)): 2∠45 gives √2 + √2i in degrees.

Does it take roots of negatives?

Yes: √(−4) = 2i.

More tools