I represents the imaginary unit .
Numbers containing I are converted to the type Complex.
I can be entered in StandardForm and InputForm as , ii or \[ImaginaryI].
, jj and \[ImaginaryJ] can also be used.
See the Mathematica book: Section 1.1.3, Section 1.1.5, Section 3.2.8.
See also: Re, Im, ComplexExpand, GaussianIntegers.
The definition of I and a famous result.
The solution to this equation involves complex numbers.
You can get rid of insignificant imaginary parts with Chop.
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER
FOR THE LATEST INFORMATION.