Prompt The User For The Sales Tax Rate As A Percentage

Sep 21, 2009

How can i "prompt the user for the sales tax rate as a percentage"? this is what i have so far....

var tax = prompt("What is your tax rate percentage?", "")
document.write("Return Value: "+tax,("<br />"));

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<html>
<head>
<title></title>

[code]....

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function Clear()
{
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Dont know if it can be done but.... I am using the percentage calculator

<SCRIPT language=JavaScript>
<!--
//Script by Tom Richardson Jr.

[code]....

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Program To Calculate Price With Sales Tax?

Oct 8, 2011

When I compile this I get no errors, however when I try to run it, it does not work. What should happen, is an output dialog box should appear saying the total for tickets, total tax, and total for tickets with tax. This is not what happens. This is what I have written: This program will ask for the number of tickets you wish purchase. It will then calculate the total price of the tickets and the 9.5% sales tax.

import javax.swing.JOptionPane;
public class TicketCost {
Constants
static final double TICKET_PRICE = 10.00;
static final double TAX = .095;
public static void main (String [] args) {
Local variables
int Nbr_Tickets = 0;
double Tax = 0;
double Total = 0;
String InputStr;
String outputMsg;
InputStr = JOptionPane.showInputDialog
("Enter the number of tickets to purchase");
Nbr_Tickets = Integer.parseInt(InputStr);

Calculation
Nbr_Tickets = (int)(Nbr_Tickets * TICKET_PRICE);
Tax = Nbr_Tickets * TAX;
Total = Nbr_Tickets + Tax;

Created message
outputMsg = "cost of tickets: $"
+ String.format("%.2f", Nbr_Tickets)
+ "Taxes: $"
+ String.format("%.2f", Tax)
+ "Total cost of tickets to A Beautiful Mind: $"
+ String.format("%.2f", Total);
output message
JOptionPane.showMessageDialog(null,outputMsg,"Total cost of tickets to A beautiful Mind",JOptionPane.INFORMATION_MESSAGE);
System.exit(0);
}}

And when I run it this is what I get:
----jGRASP exec: java TicketCost
Exception in thread "main" java.util.IllegalFormatConversionException: f != java.lang.Integer
at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4045)
at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2761)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2708)
at java.util.Formatter.format(Formatter.java:2488)
at java.util.Formatter.format(Formatter.java:2423)
at java.lang.String.format(String.java:2845)
at TicketCost.main(TicketCost.java:35)
----jGRASP wedge2: exit code for process is 1.
----jGRASP: operation complete.

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function reloadFrames(first, refresh){delay = 0.2; //minutes to delay the refresh
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The form is located here: [URL]

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[code]....

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document.write("Return Value: "+cost,("<br />"));
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function displaymember()
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HTML Code:

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