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Math Calculators
Complex Number Calculator
Add, subtract or multiply two complex numbers of the form a + bi.
Real part
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Imaginary part
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About the Complex Number Calculator
Complex numbers have a real part and an imaginary part (a multiple of i, where i² = −1). Adding/subtracting combines the parts separately; multiplying uses the distributive property with i² = −1.
Formula (multiply): (a + bi)(c + di) = (ac − bd) + (ad + bc)i
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