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Complex Number Calculator

Perform addition, subtraction, multiplication, and division on complex numbers (a + bi).
Input Values
z₁ (
+
i )
op
z₂ (
+
i )

i is the imaginary unit where i² = −1

Argand Diagram
Re Im 0
z₁ z₂ Result
Points appear after calculating
Learn the concept
Introduction to Complex Numbers
Understand imaginary and complex numbers — what they are, how the powers of i cycle, how to add, subtract, and multiply complex numbers, and why electrical engineers use them every day.
Read lesson →

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