Complex Number Calculator
Add, subtract, multiply, divide complex numbers.
4+2ia + b
2+6ia − b
11-2ia × b
-1+2ia ÷ b
5
|a|
53.13°
arg(a)
About this tool
Plug in two complex numbers in the form a+bi (or a-bi, i, 3i…) — the tool computes the sum, difference, product, quotient, magnitudes and argument.