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kien-ngo/calculator.cs

Created December 11, 2017 18:28
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  1. kien-ngo created this gist Dec 11, 2017.
    344 changes: 344 additions & 0 deletions calculator.cs
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,344 @@
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;

    namespace WindowsFormsApp1
    {
    public partial class Form1 : Form
    {
    static double total=0;
    static double temp;
    static bool isPlused = false;
    static bool isMinus = false;
    static bool isMultiplied = false;
    static bool isDivided = false;
    static bool isFacted = false;
    static bool isPowered = false;
    static bool isSquared = false;
    public Form1()
    {
    InitializeComponent();
    buttonSqrt.Text = "\u221A";
    buttonReset.Enabled = false;
    }
    #region Reset-QuadraticFormular
    private void pictureBox1_Click(object sender, EventArgs e)
    {
    buttonReset.Enabled = true;
    panel2.Hide();
    panel1.Show();
    panel3.Enabled = false;
    label1.Text = "Reza is handsome";
    label1.Enabled = true;
    }

    private void buttonReset_Click(object sender, EventArgs e)
    {
    panel1.Hide();
    panel2.Show();
    foreach (Control c in this.Controls)
    {
    c.Enabled = true ;
    }
    textBoxA.Clear();
    textBoxB.Clear();
    textBoxC.Clear();
    labelX1.Text = "X1 =";
    labelX2.Text = "X2 =";
    label1.Text = "";
    buttonReset.Enabled = false;
    }

    private void buttoncalc_Click(object sender, EventArgs e)
    {
    double a = double.Parse(textBoxA.Text);
    double b = double.Parse(textBoxB.Text);
    double c = double.Parse(textBoxC.Text);
    double delta = Math.Pow(b, 2) - 4 * a * c;
    if (delta==0)
    {
    labelX1.Text += Convert.ToString(-b / (2 * a));
    labelX2.Text += Convert.ToString(-b / (2 * a));
    }
    else
    {
    if (delta > 0)
    {
    labelX1.Text += Convert.ToString((-b - Math.Sqrt(delta)) / (2 * a));
    labelX2.Text += Convert.ToString((-b + Math.Sqrt(delta)) / (2 * a));
    }
    else
    {
    MessageBox.Show("There is no solution for this equation!");
    };
    }
    }
    #endregion

    #region x^2, x! and sqrt(x)

    private void buttonS1_Click(object sender, EventArgs e)
    {
    if (textBox1.Text.Length != 0)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Text += "!";
    isPlused = false;
    isMinus = false;
    isMultiplied = false;
    isDivided = false;
    isFacted = true;
    isPowered = false;
    isSquared = false;
    }
    else
    { }
    }

    private void buttonPower2_Click(object sender, EventArgs e)
    {
    if (textBox1.Text.Length != 0)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Text += "^2";
    isPlused = false;
    isMinus = false;
    isMultiplied = false;
    isDivided = false;
    isFacted = false;
    isPowered = true;
    isSquared = false;
    }
    else
    {
    }
    }

    private void buttonSqrt_Click(object sender, EventArgs e)
    {
    textBox1.Text = "\u221A" + textBox1.Text;
    isPlused = false;
    isMinus = false;
    isMultiplied = false;
    isDivided = false;
    isFacted = false;
    isPowered = false;
    isSquared = true;
    }

    #endregion

    #region 0-9
    private void button0_Click(object sender, EventArgs e)
    {
    textBox1.Text += button0.Text;
    }

    private void button1_Click(object sender, EventArgs e)
    {
    textBox1.Text += button1.Text;
    }

    private void button2_Click(object sender, EventArgs e)
    {
    textBox1.Text += button2.Text;
    }

    private void button3_Click(object sender, EventArgs e)
    {
    textBox1.Text += button3.Text;
    }

    private void button4_Click(object sender, EventArgs e)
    {
    textBox1.Text += button4.Text;
    }

    private void button5_Click(object sender, EventArgs e)
    {
    textBox1.Text += button5.Text;
    }

    private void button6_Click(object sender, EventArgs e)
    {
    textBox1.Text += button6.Text;
    }

    private void button7_Click(object sender, EventArgs e)
    {
    textBox1.Text += button7.Text;
    }

    private void button8_Click(object sender, EventArgs e)
    {
    textBox1.Text += button8.Text;
    }

    private void button9_Click(object sender, EventArgs e)
    {
    textBox1.Text += button9.Text;
    }
    #endregion

    #region Settings
    private void buttonDel_Click(object sender, EventArgs e)
    {
    textBox1.Clear();
    }

    private void buttondot_Click(object sender, EventArgs e)
    {
    MessageBox.Show("No function for this yet, sorry ^^");
    }

    private void buttone_Click(object sender, EventArgs e)
    {
    MessageBox.Show("No function for this yet, sorry ^^");
    }

    private void button10_Click(object sender, EventArgs e)
    {
    textBox1.Text=textBox1.Text.Substring(0, textBox1.Text.Length - 1);
    }

    private void textBox1_TextChanged(object sender, EventArgs e)
    {
    if (textBox1.Text.Length == 0)
    button10.Enabled = false;
    else
    button10.Enabled = true;
    }
    #endregion

    #region Equal Button
    private void buttonEqual_Click(object sender, EventArgs e)
    {
    if (isPlused == true)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Text = Convert.ToString(total);
    total = 0;
    }
    else if (isMinus == true)
    {
    total = total - double.Parse(textBox1.Text);
    textBox1.Text = Convert.ToString(total);
    total = 0;
    }
    else if (isMultiplied == true)
    {
    total = total * double.Parse(textBox1.Text);
    textBox1.Text = Convert.ToString(total);
    total = 0;
    }
    else if (isDivided == true)
    {
    total = total / double.Parse(textBox1.Text);
    textBox1.Text = Convert.ToString(total);
    total = 0;
    }
    else if (isFacted == true)
    {
    for (double i = total - 1; i > 0; i--)
    {
    total = total * i;
    };
    textBox1.Text = Convert.ToString(total);
    total = 0;
    }
    else if (isPowered == true)
    {
    textBox1.Text = Convert.ToString(Math.Pow(total, 2));
    total = 0;
    }
    else if (isSquared == true)
    {
    textBox1.Text=textBox1.Text.Remove(0, 1);
    total = double.Parse(textBox1.Text);
    textBox1.Text = Convert.ToString(Math.Sqrt(total));
    total = 0;
    }

    }
    #endregion

    #region + - x /
    private void buttonX_Click(object sender, EventArgs e)
    {
    if (textBox1.Text.Length != 0)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Clear();
    isPlused = false;
    isMinus = false;
    isMultiplied = true;
    isDivided = false;
    isFacted = false;
    isPowered = false;
    isSquared = false;
    }
    else { }
    }

    private void buttonDiv_Click(object sender, EventArgs e)
    {
    if (textBox1.Text.Length != 0)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Clear();
    isPlused = false;
    isMinus = false;
    isMultiplied = false;
    isDivided = true;
    isFacted = false;
    isPowered = false;
    isSquared = false;
    }
    else { }
    }

    private void buttonAdd_Click(object sender, EventArgs e)
    {
    if (textBox1.Text.Length != 0)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Clear();
    isPlused = true;
    isMinus = false;
    isMultiplied = false;
    isDivided = false;
    isFacted = false;
    isPowered = false;
    isSquared = false;
    }
    else { }
    }


    private void buttonSub_Click(object sender, EventArgs e)
    {
    if (textBox1.Text.Length != 0)
    {
    total = total + double.Parse(textBox1.Text);
    textBox1.Clear();
    isPlused = false;
    isMinus = true;
    isMultiplied = false;
    isDivided = false;
    isFacted = false;
    isPowered = false;
    isSquared = false;
    }
    else { }
    }

    #endregion

    }
    }