Complex Number Calculator
Add, subtract, multiply, and divide a + bi. Also the modulus and argument of the first number.
Result-5 + 10i
|A| modulus5
arg(A) degrees53.130102°
(a+bi)(c+di) = (ac−bd) + (ad+bc)i. Division multiplies by the conjugate. |a+bi| = √(a²+b²). 3+4i has modulus 5.