practice7_1.frm

来自「深圳大学的vb上机与教学的课件」· FRM 代码 · 共 91 行

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   2445
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4515
   LinkTopic       =   "Form1"
   ScaleHeight     =   2445
   ScaleWidth      =   4515
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2040
      Locked          =   -1  'True
      TabIndex        =   2
      Top             =   600
      Width           =   1935
   End
   Begin VB.CommandButton Command1 
      Caption         =   "输入成绩计算"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   615
      Left            =   1440
      TabIndex        =   0
      Top             =   1440
      Width           =   2175
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "成绩标准差："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   240
      TabIndex        =   1
      Top             =   720
      Width           =   1710
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Base 1
Dim score() As Integer
Private Sub Command1_Click()
  n = Val(InputBox("请输入总人数", "", ""))
  ReDim score(n)
  S = 0
  Sum = 0
  For i = 1 To n
    score(i) = Val(InputBox("请输入第" & Str(i) & "个学生的成绩", "成绩统计", ""))
    S = S + score(i)
  Next i
  Avg = S / n
  For i = 1 To n
   Item = ((score(i) - Avg) ^ 2)
   Sum = Sum + Item
  Next i
  y = Sqr(Sum / (n - 1))
  Text1.Text = Format(y, "0.0000")
End Sub