Private Sub Command1_Click()
Dim a As Integer, b As Integer, c As Integer, s As Integer
s = Text1.Text
a = s \ 100
b = (s - 100 * a) \ 10
c = s - 100 * a - 10 * b
If a ^ 3 + b ^ 3 + c ^ 3 = s Then
MsgBox s & "是
水仙花数"
Else
MsgBox s & "不是水仙花数"
End If
End Sub
加个文本框控件和按钮控件