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Comment by rdtsc | Hacker News Reader

An interesting side-point -- Python supports imaginary numbers and uses j:

      In [2]: a=5-4j

      In [3]: b=1+2j

      In [4]: a+b
      Out[4]: (6-2j)

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Another interesting side-point -- MATLAB supports imaginary numbers... unless of course you redefine i to be something else. Then it doesn't.

Fortunately, Mathematica makes that somewhat more difficult (and has a strong convention of inbuilt ./. user-defined variables in the form of upper/lowercase).

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