form1.frm

vb电子书籍

VERSION 5.00
Begin VB.Form Form1 
   BackColor       =   &H00E0E0E0&
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   FillColor       =   &H00C0C0C0&
   BeginProperty Font 
      Name            =   "宋体"
      Size            =   12
      Charset         =   134
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   375
      Left            =   1440
      TabIndex        =   0
      Top             =   2280
      Width           =   1695
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Function jishu1(x!, eps#) As Double
    Dim n%, s#, t#
    n = 1: s = 0: t = 1
    Do While (Abs(t) >= eps)
        s = s + t
        t = t * x / n
        n = n + 1
    Loop
    jishu = s
End Function
    
Sub jishu2(s#, x!, eps#)
    Dim n%, t#
    n = 1: s = 0: t = 1
    Do While (Abs(t) >= eps)
        s = s + t
        t = t * x / n
        n = n + 1
    Loop
End Sub
    
'##################################################################
'## 过程名称：Command1_Click
'## 参数： 无
'##################################################################
Private Sub Command1_Click()
    Dim f1#, f2#
    f1 = jishu1(2#, 0.000001)
    Call jishu2(f2, 2#, 0.000001)
    Print "f1="; f1, "f2="; f2
End Sub