vb.net平方 vb平方函数

VB.net通过输入一个实数 , 单击计算按钮,输出该数的平方,立方拖三个textbox , 一个button
在窗体上双击button1,在自动生成的button1的Click事件中:
textbox2.text=val(textbox1.text)^2
textbox3.text=val(textbox1.text)^3
vb.net求双平方数字的的方法Public Function panduan(ByVal n As Integer) As Boolean
Dim res As Boolean = False
Dim a, b, c, d, temp1, temp2 As Integer
a = n \ 1000
b = (n \ 100) Mod 10
c = (n \ 10) Mod 10
d = n Mod 10
temp1 = Sqrt(n)
temp2 = Sqrt(a + b + c + d)
If temp1 * temp1 = n And temp2 * temp2 = (a + b + c + d) Then
res = True
End If
Return res
End Function
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
Dim str As String = "", temp As Integer = 0, sum As Integer = 0, x As Integer
For i = 1000 To 9999 Step 1
If panduan(i) Then
temp = i
Exit For
End If
Next
TextBox6.Text = temp
End Sub
VB.NET为用户提供了Math.Sqrt函数用于计算平方根值,但被开方值若为负数则无法得出正确的结果(如,-4的平【vb.net平方 vb平方函数】问题不是很简单吗?
判断输入的数,大于等于零,则直接开方;小于零则取绝对值开方再加上字符"i",代码我就不写了.
求VB平方镜反数怎么编程以下是平方镜在vb.net中vb.net平方的程序vb.net平方,需要一个 listbox和command
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim xx As Long, j As String, i As String
xx = InputBox("请输入最大范围数", 100000)
For m = 10 To xx
i = m
j = StrReverse(i)
If i = j Then GoTo 10
If Int(i) ^ 2 = StrReverse(Int(j) ^ 2) Then
ListBox1.Items.Add(i""j""i ^ 2""j ^ 2)
End If
10:
Next
End Sub
End Class
如果想在vb6中运行就把ListBox1.Items.Add改成list1.additem
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