Basic Examples (3) 

Combine a complex number into a single fraction:

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Use in a computation:

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Combine together all complex numbers within an expression:

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Possible Issues (4) 

ComplexTogether works only for numeric complex numbers (with Complex head), not for symbolic expressions containing an imaginary unit:

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ComplexTogether is a formatted expression with its own Head:

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ComplexTogether unformats itself when used with functions that have the NumericFunction attribute, assuming all other arguments are numeric:

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Conversely, ComplexTogether stays formatted if it s not a part of a numeric computation:

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Applications (1) 

ComplexTogether can be used with any computation:

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