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Here are a few illustrations of some simple complex functions, produced using Maple:

  Function   Animation
  z → z + (1+i)   view
  z → z × (1+i)   view
  z → z + 1/(1+i)   view
  z → z × 1/(1+i)   view
  z → z2   view1   view2
  z → z3   view
  z → ez   view1   view2
  z → sin(z)   view1   view2