Two-operand arithmetic
Accepts forms like 3+4i, -2i, 5, 1-i, 2.5 - 0.5i.
Result
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Single-number properties & conversion
Modulus |z|
Argument (principal)
Conjugate z̄
Polar form r∠θ
Polar → rectangular
Enter magnitude r and angle θ. Result is r(cos θ + i·sin θ).
Rectangular form