CODEWITHSUNDEEP
c#math
cleo
cleo

Reputation: 91

Dividing and multiplication math error

I seem to have a problem with my equation, I want to solve a problem like this Z= A/(C*B) where A is equal to F/G(i.e A=F/G) but it seems I'm getting the same answer when I calculate A and Z no matter how many times I change the values my program outputs A and Z to be equal which is mathematically not true because if I say A=4/2 I get a 2 and Z = 2/(8*1) is supposed to be 0.25 think what am I missing out?? my code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace trafic_model
{
    public partial class Form1 : Form
    {
        double a = 0, b = 0;
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //С1
            a = Convert.ToDouble(textBox1.Text) / Convert.ToDouble(textBox2.Text);
            label3.Text = "C1 = " + a.ToString() + " Мбит/с.";
            //end of c1

            //N1
            z = (a / (Convert.ToDouble(textBox3.Text) * Convert.ToDouble(textBox5.Text)));
            label6.Text = "N1 = " + a.ToString() ;

            //

        }
    }

Upvotes: 0

Views: 128

Answers (3)

Hydrargyrum
Hydrargyrum

Reputation: 3816

The problem is that you write a.ToString() into both text boxes and never write z at all..

Change

 label6.Text = "N1 = " + a.ToString() ;

To 

label6.Text = "N1 = " + z.ToString() ;

Upvotes: 0

Fendy
Fendy

Reputation: 4643

z = (a / (Convert.ToDouble(textBox3.Text) * Convert.ToDouble(textBox5.Text)));
label6.Text = "N1 = " + a.ToString() ;

Do you mean that label6 should be "N1 = " + z.ToString() ; ?

Upvotes: 3

cuongle
cuongle

Reputation: 75306

Just guess you are using the wrong variable, it should be z instead of a in below line:

label6.Text = "N1 = " + z.ToString() ;

Upvotes: 4

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