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[Playonu]

Try to run this full program and u will see that it has few errors.
I would be grateful if u included corrected in an answer post.
It is in VB 5.
Thanks for your attention.
Private Sub Command1_Click()
Dim x, y, z, w, v, a, b As Double
MsgBox "give a"
InputBox a
MsgBox "give b"
InputBox b
If a = 0 Or b = 0 Then
MsgBox "The solutions can not be given by that program!"
Else
MsgBox "ok please wait...."
End If
If a ^ 4 - (256 * b ^ 3) / 27 >= 0 Then
z = ((a ^ 2 + (a ^ 4 - (256 * b ^ 3) / 27) ^ 1 / 2) / 2) ^ 1 / 3 + ((a ^ 2 - (a ^ 4 - (256 * b ^ 3) / 27) ^ 1 / 2) / 2) ^ 1 / 3
Else
MsgBox "The solutions can not be given by that program!"
End If
If z >= 0 And -z - (2 * a) / z ^ 1 / 2 >= 0 Then
x = (z ^ 1 / 2 + (-z - (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
w = (z ^ 1 / 2 - (-z - (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
Else
If z >= 0 And -z + (2 * a) / z ^ 1 / 2 >= 0 Then
y = (z ^ 1 / 2 + (-z + (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
v = (z ^ 1 / 2 - (-z + (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
Else
If z < 0 Then
MsgBox "There are no other real solutions"
End If
MsgBox "The first solution is" 'x'
MsgBox "The second solution is" 'w'
MsgBox "The third solution is" 'y'
MsgBox "The fourth solution is" 'v'
MsgBox "There is no other real solution"
MsgBox "Thanks for using that program"
End

...



...
End sub

[debasisdas]

you run the program and post back here with the part that is throwing error.

[Playonu]

you run the program and post back here with the part that is throwing error.

Don't u have a VB 5?
The problem is that there is not a specific problem!

[smartchap]

I have corrected the program in VB6 as I don't have VB5. You can modify it for VB5.

Private Sub Command1_Click()
Dim x, y, z, w, v, a, b As Double
'MsgBox "give a"
a = InputBox("give a")
'MsgBox "give b"
b = InputBox("give b")
If a = 0 Or b = 0 Then
MsgBox "The solutions can not be given by this program!"
End
Else
MsgBox "ok please wait...."
End If
MsgBox a ^ 4 - (256 * b ^ 3) / 27
If a ^ 4 - (256 * b ^ 3) / 27 >= 0 Then
z = ((a ^ 2 + (a ^ 4 - (256 * b ^ 3) / 27) ^ 1 / 2) / 2) ^ 1 / 3 + ((a ^ 2 - (a ^ 4 - (256 * b ^ 3) / 27) ^ 1 / 2) / 2) ^ 1 / 3
Else
MsgBox "The solutions can not be given by this program!"
End
End If
If z >= 0 Then
If -z - (2 * a) / z ^ 1 / 2 >= 0 Then
x = (z ^ 1 / 2 + (-z - (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
w = (z ^ 1 / 2 - (-z - (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
ElseIf -z + (2 * a) / z ^ 1 / 2 >= 0 Then
y = (z ^ 1 / 2 + (-z + (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
v = (z ^ 1 / 2 - (-z + (2 * a) / z ^ 1 / 2) ^ 1 / 2) / 2
End If
Else
MsgBox "There are no other real solutions"
End If
MsgBox "The first solution is" & x
MsgBox "The second solution is" & w
MsgBox "The third solution is" & y
MsgBox "The fourth solution is" & v
MsgBox "There is no other real solution"
MsgBox "Thanks for using the program"
End Sub


It works fine in Vb6 after corrections as above.

[debasisdas]

Don't u have a VB 5?
The problem is that there is not a specific problem!

Behave yourself. Do not expect others to write code for you. When you face problem in specific part of the code you need to mention that part only.