求素数.frm

普通的计算器文件们和windows中的一样

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   2310
   ClientLeft      =   60
   ClientTop       =   420
   ClientWidth     =   7500
   LinkTopic       =   "Form1"
   ScaleHeight     =   2310
   ScaleWidth      =   7500
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "点击查看10到100间的素数"
      Height          =   615
      Left            =   2280
      TabIndex        =   1
      Top             =   1440
      Width           =   2775
   End
   Begin VB.TextBox Text1 
      Alignment       =   2  'Center
      Height          =   375
      Left            =   240
      TabIndex        =   0
      Top             =   240
      Width           =   7095
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Height          =   495
      Left            =   240
      TabIndex        =   2
      Top             =   720
      Width           =   7095
   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 i As Integer
Dim j As Integer
Dim n As Integer
Dim flag As Integer
For i = 10 To 100 Step 1
  flag = 1
  For j = 2 To i - 1 Step 1
   If i Mod j = 0 Then
   flag = 0
  Exit For
  End If
  Next j
If flag = 1 Then
n = n + 1
Text1.Text = Text1.Text + Str(i)
End If
Next i
Label1.Caption = "在10到100中，一共有" + Str(n) + "个素数！"

End Sub

Private Sub Form_Load()
Text1.Text = " "
n = 1
End Sub