Compound Interest Calculation?

Feb 6, 2011

Im a little stuck with the Compound Interest Formula.

My code returns
0.00 :L
Dim amount, interest, monthly As Double

[code].....

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Dim q = From s In d.GetChildRows("DossierSinistri") _
From i In s.GetChildRows("DossierIncarichi") _
Select s

[Code].....

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dim lblDT...etc...

Here is where I create the compound key, and it seems fine.
lblDT.PrimaryKey = New DataColumn() {
lblDT.Columns("serialno"), _
lblDT.Columns("type")}

This is where I am trying to create an object to pass to the .find
dim objSearch As New Object() {10643, 28}
It if would work this is how the find would be.
Dim row As DataRow = lblDT.Rows.Find(objSearch)

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'Student - StudentCourse
DS.Relations.Add(New DataRelation("StudStudCorRelation", DTStudents.Columns("StudID"), DTStudentCourses.Columns("StudID"), True))

[code].....

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[Code]...

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Public Class Form1
' Class-level constants
Const dblMONTHS_YEAR As Double = 12 ' Months per year

[code]......

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I need to modify this code to add 1% interest rate to the new and used rates when less than a 20% down payment is made.

I've already added in the constants for the increased interest rate, but hit a wall there.

Public Class Form1
' Class-level constants
Const dblMONTHS_YEAR As Double = 12 ' Months per year

[Code].....

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Dim buyername As String
Dim cartype As String

[code]....

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Public Class InterestCalculatorForm
' handles Calculate Button's Click event
Private Sub calculateButton_Click(ByVal sender As System.Object, _

[code].....

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vb.net
Private Sub mnuClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuClear.Click

[code]....

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Here is my code:
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
'Declare Variables
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Dim interestRate As Double
[Code] .....

I copied the whole code as to I do not know where the rros are. My error keeps saying 'class' statement must end with a matching 'end class' I got a feeling this is something like if/endif but I cannot find it.

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[Code]...

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I have attached my project.

I am not getting any input from my teacher and the book does not say much about this

Attached File(s)

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example:

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1 a 15
2
2 a 20

[Code].....

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here is the code if you would like to try see what i am doing wrong.
Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click

[code].....

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CODE:

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[Code]...

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Below is my code:

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[Code].....

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[code]....

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[Code]....

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For Each gvRow2 As GridViewRow In GridView1.Rows
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[Code]....

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Heres my entire code:

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Dim OneCredit As Integer = 1
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[CODE].........................................

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It will look like this
**********
**********

When the user enter the first X and Y value. For next X and Y value i must plus the original value with 2.54.
So my X1=TextBox1.Text
Y1=TextBox2.text
this values are input by user.

So
X2=TextBox1.text + 2.54
X3=X2 + 2.54.
and so onn. Same apply for Y
Let say user input are X=100 and Y=100
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