vb.net简易计算器,vbnet计算器程序
如何用vb.net编写一个简单的计算器程序啊？多谢啊
你自己加窗体和空件吧
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Private Sub a1_Click()
X = Val(Text1.Text)
Y = Val(Text2.Text)
s = X + Y
Text3.Text = s
Text3.Locked = True
End Sub
Private Sub a2_Click()
X = Val(Text1.Text)
Y = Val(Text2.Text)
s = X - Y
Text3.Text = s
Text3.Locked = True
End Sub
Private Sub a3_Click()
X = Val(Text1.Text)
Y = Val(Text2.Text)
s = X * Y
Text3.Text = s
Text3.Locked = True
End Sub
Private Sub a4_Click()
X = Val(Text1.Text)
Y = Val(Text2.Text)
s = X / Y
Text3.Text = s
Text3.Locked = True
End Sub
不会的叫我 在线谈
VB.net作业，用VB做一个简单的计算器.
我用VB做的你看能不能用
Public b
Public c
Public d
Public e
Public f
Private Sub Command14_Click()
d = ""
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Exit Sub
'c = Text1.Text
If b = "" Then Exit Sub
If e = "+" Then
d = f + b
Else
If e = "-" Then
d = f - b
Else
If e = "*" Then
d = f * b
Else
If e = "/" Then
If b = 0 Then
MsgBox "被除数不能为零！"
Exit Sub
End If
d = f / b
Else
MsgBox "错误操作！"
End If
End If
End If
End If
Text1.Text = d
b = ""
c = ""
e = ""
End Sub
Private Sub Command15_Click()
Text1.Text = ""
b = ""
c = ""
d = ""
e = ""
f = ""
End Sub
Private Sub Form_Load()
Text1.Text = ""
End Sub
Private Sub Command1_Click()
'判断开头有运算符就清零
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
'判断开头有0就禁止输入数字
If Text1.Text = "0" Then
Else
a = 1
'发现运算结果就清零
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text '得到当前操作数
End Sub
Private Sub Command2_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 2
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command3_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 3
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command4_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 4
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command5_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 5
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command6_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 6
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command7_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 7
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command8_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 8
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command9_Click()
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
If Text1.Text = "0" Then
Else
a = 9
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
End If
b = Text1.Text
End Sub
Private Sub Command10_Click()
If b = "" Then Exit Sub
a = "+"
e = "+"
f = b
Text1.Text = ""
Text1.Text = Text1.Text a
End Sub
Private Sub Command11_Click()
If b = "" Then Exit Sub
f = b
a = "-"
e = "-"
Text1.Text = ""
Text1.Text = Text1.Text a
End Sub
Private Sub Command12_Click()
If b = "" Then Exit Sub
a = "*"
e = "*"
f = b
Text1.Text = ""
Text1.Text = Text1.Text a
End Sub
Private Sub Command13_Click()
If b = "" Then Exit Sub
a = "/"
e = "/"
f = b '把操作数1提取出来
Text1.Text = ""
Text1.Text = Text1.Text a
End Sub
Private Sub Command16_Click()
'判断有运算符就清零
If Text1.Text = "+" Or Text1.Text = "-" Or Text1.Text = "*" Or Text1.Text = "/" Then Text1.Text = ""
'判断有零和空值就禁止输入0
'发现运算结果就清零
If d "" Then Text1.Text = "": d = ""
If Text1.Text = "0" Then
Else
a = 0
If d "" Then Text1.Text = "": d = ""
Text1.Text = Text1.Text a
b = Text1.Text
End If
End Sub
有关vb.net制作计算器的问题
判断吧，如果点击+按钮，则一个全局变量为1，-按钮，则全局变量为2.以此类推，然后if或case判断哪个数，如果为1，就两个数相加。
如何用VB.NET编写计算器
简单的说拖出一些控件，设置相应的caption和属性等等，双击每个button控件，进行相应的处理，即可
在VB.net中，怎么编一个计算器，要求输入 1+2*3输出7。
Dim Scr As Object
Scr = CreateObject("MSScriptControl.ScriptControl")
Scr.Language = "Vbscript"
Dim t As Single
t = Scr.Eval(TextBox1.Text)
MsgBox(t)
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