# Four operations of the complex number Calculator

## Calculates the addition, subtraction, multiplication and division of the complex numbers.

a+bi
c+di

subtraction
multiplication
division
 $\normal Four\ operations\ of\ complex\ number\\\vspace{5}(1)\ (a+bi)+(c+di)=(a+c)+(b+d)i\\\vspace{5}(2)\ (a+bi)-(c+di)=(a-c)+(b-d)i\\\vspace{5}(3)\ (a+bi)(c+di)=(ac-bd)+(bc+ad)i\\(4)\ {\large\frac{a+bi}{c+di}}={\large\frac{ac+bd}{c^2+d^2}+{\large\frac{bc-ad}{c^2+d^2}i\\$

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