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Posted 22 Oct 2007

Complex class - Working with complex numbers

, 22 Oct 2007
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This class performs operations and evaluates functions with complex numbers. There are different kinds of available functions (log functions, trigonometric functios...). Check it out.

Screenshot - net_complex.jpg


This is my first VB.NET project, so don't expect a lot of object orientated principles in this, but I still think this is an excellent class and I'm not sure you can find another class like this one. This class performs operations and evaluates functions with complex numbers. There are a lot of functions (log functions, trigonometric functions...) available. So check it out.


  • op_Add(ByVal z As Complex) – add z
  • op_Sub(ByVal z As Complex) – sub z
  • op_Mul(ByVal z As Complex) – multiply with z
  • op_Div(ByVal z As Complex) – divide with z
  • f_Sqr() – get square
  • f_Pow(ByVal n As Integer) – (X+Yi)^n
  • f_PowCplx(ByVal z As Complex) - (X+Yi)^z
  • f_Exp() – Exp(X+Yi)
  • f_Conjugate()
  • f_Invert() – (1 / (X+Yi))
  • f_Log(ByVal base As Byte) – Log((X+Yi),base)
  • f_Ln() – Ln(X+Yi)
  • f_Sin() – sin(x+yi)
  • f_Cos() – cos(x+yi)
  • f_ATan() – arctan(x+yi)
  • f_Tan() – tan(x+yi)
  • f_ACot() – acrcot(x+yi)
  • f_ASin() – arcsin(x+yi)
  • f_ACos() – arccos(x+yi)
  • f_Acsc() – arccosec(x+yi)
  • f_Asec() – arcsec (x+yi)
  • prop_Angle() – return angle
  • prop_Abs() – return absolute value
  • ToString() As String – Create string (example 2-5i, or –i, or 8+i)
  • set_FromXY(ByVal mX As Double, ByVal mY As Double) – set real and imaginary from mX and mY
  • set_CopyComplex(ByRef mCplx As Complex) – set real and imaginary from mCplx


  • Real() As Double
  • Imaginary() As Double


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

QuestionWhere's the code? Pin
sherifffruitfly22-Oct-07 7:09
membersherifffruitfly22-Oct-07 7:09 
AnswerRe: Where's the code? Pin
Ivan000122-Oct-07 23:44
memberIvan000122-Oct-07 23:44 
GeneralRe: Where's the code? Pin
sherifffruitfly23-Oct-07 19:14
membersherifffruitfly23-Oct-07 19:14 

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