Untitled

Function SumOfResults(ByVal X As Single, ByVal Y As Single, ByVal x01 As Single, ByVal y01 As Single, ByVal KAPPA As Single, _
                      ByVal x02 As Single, ByVal y02 As Single, ByVal hat As Single, ByVal x03 As Single, _
                      ByVal y03 As Single, ByVal gamma As Single, ByVal U As Single, ByVal alpha As Single) As Single
    SumOfResults = FDOUB(X, Y, x01, y01, KAPPA) + Fpsands(X, Y, x02, y02, hat) + fvortex(X, Y, x03, y03, gamma) + UniformFlowStreamFunction(X, Y, U, alpha)
End Function

Sub CalculateAndPlaceResult()
    ' Variables for FDOUB
    Dim x01 As Single, y01 As Single, KAPPA As Single
    ' Variables for Fpsands
    Dim x02 As Single, y02 As Single, hat As Single
    ' Variables for fvortex
    Dim x03 As Single, y03 As Single, gamma As Single
    ' Variables for UniformFlowStreamFunction
    Dim U As Single, alpha As Single
    
    ' Assign Values to each variable
    y01 = Range("J8").Value
    x01 = Range("J7").Value
    KAPPA = Range("J6").Value
    y02 = Range("F8").Value
    x02 = Range("F7").Value
    hat = Range("F6").Value
    y03 = Range("L8").Value
    x03 = Range("L7").Value
    gamma = Range("L6").Value
    U = Range("D6").Value
    alpha = Range("D7").Value
    
    ' Determine the size of the range to calculate
    Dim lastCol As Long, lastRow As Long
    lastCol = Range("E12").End(xlToRight).Column - Range("E12").Column + 1
    lastRow = Range("D13").End(xlDown).Row - Range("D13").Row + 1
    
    Dim i As Long, j As Long
    For i = 1 To lastCol
        For j = 1 To lastRow
            Cells(j + 12, i + 4).Value = SumOfResults(Cells(12, i + 4).Value, Cells(j + 12, 4).Value, x01, y01, KAPPA, x02, y02, hat, x03, y03, gamma, U, alpha)
        Next j
    Next i
End Sub