RedCrab Calculator

# Complex numbers

Available in RedCrab PLUS

## Calculate with complex numbers

• A complex number is expressed in the form 2+2i. The i after the second number marks the complex number imaginary part.

• The usual rules for real numbers can be applied to complex numbers.

• All trigonometric and logarithmic functions and the functions Abs, Power, Sqrt and Sqr work with complex numbers

## Functions for complex numbers:

Re gets the real component of a complex number
ReIm gets the imaginary component of a complex number
ReArg gets the angle of a complex number
ReImag change a real number to a imaginary number
ReComplex converted a complex number from two real numbers.
ReMagnitude gets the magnitude (or absolute value) of a complex number
ReFromPolar creates a complex number from a point's polar coordinates
ReConjugate computes the conjugate of a complex number

 Introduction Input of Expressions Start Calculation Write a Fraction Line Write Square roots Write Subscript Write Superscript / Exponent How to write Greek letters Hex, octal, binary Input Complex numbers Implied multiplication Accuracy Keyboard Settings

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