COMPLEX function

Category: Engineering
Introduced: Excel 2003

Summary

Converts real and imaginary coefficients into a complex number

Syntax

COMPLEX(real_num, i_num, [suffix]) The COMPLEX function syntax has the following arguments:
• Real_num Required. The real coefficient of the complex number.
• I_num Required. The imaginary coefficient of the complex number.
• Suffix Optional. The suffix for the imaginary component of the complex number. If omitted, suffix is assumed to be "i".
Note: All complex number functions accept "i" and "j" for suffix, but neither "I" nor "J". Using uppercase results in the #VALUE! error value. All functions that accept two or more complex numbers require that all suffixes match.

Example

=COMPLEX(3,4)
=COMPLEX(3,4,"j")
=COMPLEX(0,1)
=COMPLEX(1,0)

Microsoft Support Page

https://support.microsoft.com/en-us/office/complex-function-f0b8f3a9-51cc-4d6d-86fb-3a9362fa4128

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