Complex Logarithm Calculator

Log(z) = ln|z| + iArg(z)

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About Complex Logarithm Calculator

A complex logarithm calculator. Computes the principal logarithm Log(z) = ln|z| + i·Arg(z) and general values log(z) = ln|z| + i(Arg(z)+2kπ). Shows modulus, argument, and all branches. Handles branch cuts. All calculations are client-side.

Complex Logarithm Calculator Features

  • Principal Log
  • All branches
  • Arg(z)
  • |z|
  • Branch cuts
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