CAtan

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Returns , the principal value of the inverse tangent of a complex number , i.e. the principal value of  for which . The Nematrian website uses the following calculation, see Bronshtein and Semendyayev (1985):

For details of how to pass complex numbers to and from the Nematrian website and on principal values of complex-valued functions please see Complex Numbers Introduction.

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-          Interactively run function

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-          Example calculation

-          Output type / Parameter details

-          Illustrative spreadsheet

-          Other Complex numbers functions

-          Computation units used

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