求pi.frm

上传的包含两个文件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3090
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3090
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   735
      Left            =   1440
      TabIndex        =   0
      Top             =   840
      Width           =   1815
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim p As Double, i As Integer
p = 2
For i = 3 To 19 Step 2
p = p * (i - 1) * (i + 1) / (i * i)
Next i
p = p * 2 * 20 / 21
Print "p="; p



End Sub