C# Question

iccaros · March 7, 2006

ok I am creating a calculator, and I want the decmial point to only be applyed if it is not been done already.

here is my funtion.

 private void buttonDecimal_Click(object sender, EventArgs e)
		{
			if (decmialOn != true)
			{
				if (outPutBox.Text == "0")
					outPutBox.Text = "0.";
				else
					outPutBox.Text = outPutBox.Text + ".";
			}
			else
				decmialOn = true;
			outPutBox.Text = outPutBox.Text;
		}

for information..

the outPutBox is my renamig of textBox (I think I will change it to calcDisplay but have not decided.. I am horrable at creating varable names.

also decmialOn is declared as

public partial class Calc : Form
	{
		public Calc()
		{
			InitializeComponent();
		}
		private int funtionKey = 0;
		private bool decmialOn = false;
		private double calcStorage = 0.0;

the entire code (so far to date.....) form1.cs

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

namespace Calc
{
	public partial class Calc : Form
	{
		public Calc()
		{
			InitializeComponent();
		}
		private int funtionKey = 0;
		private bool decmialOn = false;
		private double calcStorage = 0.0;
		private void functionProcess()
		{
			//this funtion will do all processing of /*-+
			//this will be a case statment that will check the value
			//of funtionKey 1 for addition 2 for subtract, 3 for devide, 4 for multiply
			double calcTemp = calcStorage;
			calcStorage = Convert.ToDouble(outPutBox.Text);
			switch (funtionKey)
			{
				case 1:
					outPutBox.Text = Convert.ToString(calcTemp + calcStorage);
					break;
				case 2:
					outPutBox.Text = Convert.ToString(calcTemp - calcStorage);
					break;
				case 3:
					outPutBox.Text = Convert.ToString(calcTemp * calcStorage);
					break;
				case 4:
					outPutBox.Text = Convert.ToString(calcTemp / calcStorage);
					break;
			}
		}
		private void buttonPlus_Click(object sender, EventArgs e)
		{
			if (funtionKey != 0)
				functionProcess();
			else
			{
				calcStorage = Convert.ToDouble(outPutBox.Text);
				outPutBox.Text = "0";
			}

			funtionKey = 1;

		}

		private void button1_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "1";
			else
				outPutBox.Text = outPutBox.Text + "1";
		}

		private void button2_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "2";
			else
				outPutBox.Text = outPutBox.Text + "2";
		}

		private void button3_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "3";
			else
				outPutBox.Text = outPutBox.Text + "3";
		}

		private void button4_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "4";
			else
				outPutBox.Text = outPutBox.Text + "4";
		}

		private void button5_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "5";
			else
				outPutBox.Text = outPutBox.Text + "5";
		}

		private void button6_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "6";
			else
				outPutBox.Text = outPutBox.Text + "6";
		}

		private void button7_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "7";
			else
				outPutBox.Text = outPutBox.Text + "7";
		}

		private void button8_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "8";
			else
				outPutBox.Text = outPutBox.Text + "8";
		}

		private void button9_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "9";
			else
				outPutBox.Text = outPutBox.Text + "9";
		}

		private void buttonDecimal_Click(object sender, EventArgs e)
		{
			if (decmialOn != true)
			{
				if (outPutBox.Text == "0")
					outPutBox.Text = "0.";
				else
					outPutBox.Text = outPutBox.Text + ".";
			}
			else
				decmialOn = true;
			outPutBox.Text = outPutBox.Text;
		}

		private void buttonZero_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "0";
			else
				outPutBox.Text = outPutBox.Text + "0";
		}
	}
}

form1.designer.cs

namespace Calc

{

partial class Calc

{

/// <summary>

/// Required designer variable.

/// </summary>

private System.ComponentModel.IContainer components = null;

/// <summary>

/// Clean up any resources being used.

/// </summary>

/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>

protected override void Dispose(bool disposing)

{

if (disposing && (components != null))

{

components.Dispose();

}

base.Dispose(disposing);

}

#region Windows Form Designer generated code

/// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

this.button1 = new System.Windows.Forms.Button();

this.button2 = new System.Windows.Forms.Button();

this.button3 = new System.Windows.Forms.Button();

this.button4 = new System.Windows.Forms.Button();

this.button5 = new System.Windows.Forms.Button();

this.button6 = new System.Windows.Forms.Button();

this.button7 = new System.Windows.Forms.Button();

this.button8 = new System.Windows.Forms.Button();

this.button9 = new System.Windows.Forms.Button();

this.buttonZero = new System.Windows.Forms.Button();

this.buttonDecimal = new System.Windows.Forms.Button();

this.outPutBox = new System.Windows.Forms.TextBox();

this.buttonMinus = new System.Windows.Forms.Button();

this.buttonDevide = new System.Windows.Forms.Button();

this.buttonMultiply = new System.Windows.Forms.Button();

this.buttonSign = new System.Windows.Forms.Button();

this.buttonPlus = new System.Windows.Forms.Button();

this.buttonBackSpace = new System.Windows.Forms.Button();

this.groupBoxNumbers = new System.Windows.Forms.GroupBox();

this.groupBoxFunctions = new System.Windows.Forms.GroupBox();

this.buttonEqules = new System.Windows.Forms.Button();

this.buttonClear = new System.Windows.Forms.Button();

this.menuStrip1 = new System.Windows.Forms.MenuStrip();

this.editToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();

this.aboutToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();

this.settingsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();

this.helpToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();

this.groupBoxMemory = new System.Windows.Forms.GroupBox();

this.buttonMemoryToggle = new System.Windows.Forms.Button();

this.button12 = new System.Windows.Forms.Button();

this.button11 = new System.Windows.Forms.Button();

this.button10 = new System.Windows.Forms.Button();

this.groupBoxNumbers.SuspendLayout();

this.groupBoxFunctions.SuspendLayout();

this.menuStrip1.SuspendLayout();

this.groupBoxMemory.SuspendLayout();

this.SuspendLayout();

//

// button1

//

this.button1.Location = new System.Drawing.Point(6, 94);

this.button1.Name = "button1";

this.button1.Size = new System.Drawing.Size(42, 32);

this.button1.TabIndex = 0;

this.button1.Text = "1";

this.button1.UseVisualStyleBackColor = true;

this.button1.Click += new System.EventHandler(this.button1_Click);

//

// button2

//

this.button2.Location = new System.Drawing.Point(54, 93);

this.button2.Name = "button2";

this.button2.Size = new System.Drawing.Size(42, 32);

this.button2.TabIndex = 1;

this.button2.Text = "2";

this.button2.UseVisualStyleBackColor = true;

this.button2.Click += new System.EventHandler(this.button2_Click);

//

// button3

//

this.button3.Location = new System.Drawing.Point(102, 93);

this.button3.Name = "button3";

this.button3.Size = new System.Drawing.Size(42, 32);

this.button3.TabIndex = 2;

this.button3.Text = "3";

this.button3.UseVisualStyleBackColor = true;

this.button3.Click += new System.EventHandler(this.button3_Click);

//

// button4

//

this.button4.Location = new System.Drawing.Point(6, 55);

this.button4.Name = "button4";

this.button4.Size = new System.Drawing.Size(42, 32);

this.button4.TabIndex = 3;

this.button4.Text = "4";

this.button4.UseVisualStyleBackColor = true;

this.button4.Click += new System.EventHandler(this.button4_Click);

//

// button5

//

this.button5.Location = new System.Drawing.Point(54, 55);

this.button5.Name = "button5";

this.button5.Size = new System.Drawing.Size(42, 32);

this.button5.TabIndex = 4;

this.button5.Text = "5";

this.button5.UseVisualStyleBackColor = true;

this.button5.Click += new System.EventHandler(this.button5_Click);

//

// button6

//

this.button6.Location = new System.Drawing.Point(102, 55);

this.button6.Name = "button6";

this.button6.Size = new System.Drawing.Size(42, 32);

this.button6.TabIndex = 5;

this.button6.Text = "6";

this.button6.UseVisualStyleBackColor = true;

this.button6.Click += new System.EventHandler(this.button6_Click);

//

// button7

//

this.button7.Location = new System.Drawing.Point(6, 17);

this.button7.Name = "button7";

this.button7.Size = new System.Drawing.Size(42, 32);

this.button7.TabIndex = 8;

this.button7.Text = "7";

this.button7.UseVisualStyleBackColor = true;

this.button7.Click += new System.EventHandler(this.button7_Click);

//

// button8

//

this.button8.Location = new System.Drawing.Point(54, 17);

this.button8.Name = "button8";

this.button8.Size = new System.Drawing.Size(42, 32);

this.button8.TabIndex = 7;

this.button8.Text = "8";

this.button8.UseVisualStyleBackColor = true;

this.button8.Click += new System.EventHandler(this.button8_Click);

//

// button9

//

this.button9.Location = new System.Drawing.Point(102, 17);

this.button9.Name = "button9";

this.button9.Size = new System.Drawing.Size(42, 32);

this.button9.TabIndex = 6;

this.button9.Text = "9";

this.button9.UseVisualStyleBackColor = true;

this.button9.Click += new System.EventHandler(this.button9_Click);

//

// buttonZero

//

this.buttonZero.Location = new System.Drawing.Point(6, 129);

this.buttonZero.Name = "buttonZero";

this.buttonZero.Size = new System.Drawing.Size(90, 32);

this.buttonZero.TabIndex = 9;

this.buttonZero.Text = "0";

this.buttonZero.UseVisualStyleBackColor = true;

this.buttonZero.Click += new System.EventHandler(this.buttonZero_Click);

//

// buttonDecimal

//

this.buttonDecimal.Location = new System.Drawing.Point(102, 129);

this.buttonDecimal.Name = "buttonDecimal";

this.buttonDecimal.Size = new System.Drawing.Size(42, 32);

this.buttonDecimal.TabIndex = 10;

this.buttonDecimal.Text = ".";

this.buttonDecimal.UseVisualStyleBackColor = true;

this.buttonDecimal.Click += new System.EventHandler(this.buttonDecimal_Click);

//

// outPutBox

//

this.outPutBox.Location = new System.Drawing.Point(76, 62);

this.outPutBox.Name = "outPutBox";

this.outPutBox.Size = new System.Drawing.Size(160, 20);

this.outPutBox.TabIndex = 11;

//

// buttonMinus

//

this.buttonMinus.Location = new System.Drawing.Point(5, 87);

this.buttonMinus.Name = "buttonMinus";

this.buttonMinus.Size = new System.Drawing.Size(42, 32);

this.buttonMinus.TabIndex = 12;

this.buttonMinus.Text = "-";

this.buttonMinus.UseVisualStyleBackColor = true;

//

// buttonDevide

//

this.buttonDevide.Location = new System.Drawing.Point(5, 52);

this.buttonDevide.Name = "buttonDevide";

this.buttonDevide.Size = new System.Drawing.Size(42, 32);

this.buttonDevide.TabIndex = 13;

this.buttonDevide.Text = "/";

this.buttonDevide.UseVisualStyleBackColor = true;

//

// buttonMultiply

//

this.buttonMultiply.Location = new System.Drawing.Point(4, 19);

this.buttonMultiply.Name = "buttonMultiply";

this.buttonMultiply.Size = new System.Drawing.Size(42, 32);

this.buttonMultiply.TabIndex = 14;

this.buttonMultiply.Text = "*";

this.buttonMultiply.UseVisualStyleBackColor = true;

//

// buttonSign

//

this.buttonSign.Location = new System.Drawing.Point(5, 125);

this.buttonSign.Name = "buttonSign";

this.buttonSign.Size = new System.Drawing.Size(42, 32);

this.buttonSign.TabIndex = 15;

this.buttonSign.Text = "+/-";

this.buttonSign.UseVisualStyleBackColor = true;

//

// buttonPlus

//

this.buttonPlus.Location = new System.Drawing.Point(48, 19);

this.buttonPlus.Name = "buttonPlus";

this.buttonPlus.Size = new System.Drawing.Size(36, 101);

this.buttonPlus.TabIndex = 16;

this.buttonPlus.Text = "+";

this.buttonPlus.UseVisualStyleBackColor = true;

this.buttonPlus.Click += new System.EventHandler(this.buttonPlus_Click);

//

// buttonBackSpace

//

this.buttonBackSpace.Location = new System.Drawing.Point(242, 55);

this.buttonBackSpace.Name = "buttonBackSpace";

this.buttonBackSpace.Size = new System.Drawing.Size(42, 32);

this.buttonBackSpace.TabIndex = 17;

this.buttonBackSpace.Text = "<-";

this.buttonBackSpace.UseVisualStyleBackColor = true;

//

// groupBoxNumbers

//

this.groupBoxNumbers.Controls.Add(this.button1);

this.groupBoxNumbers.Controls.Add(this.button2);

this.groupBoxNumbers.Controls.Add(this.button3);

this.groupBoxNumbers.Controls.Add(this.button4);

this.groupBoxNumbers.Controls.Add(this.button5);

this.groupBoxNumbers.Controls.Add(this.button6);

this.groupBoxNumbers.Controls.Add(this.button7);

this.groupBoxNumbers.Controls.Add(this.button8);

this.groupBoxNumbers.Controls.Add(this.buttonDecimal);

this.groupBoxNumbers.Controls.Add(this.button9);

this.groupBoxNumbers.Controls.Add(this.buttonZero);

this.groupBoxNumbers.Location = new System.Drawing.Point(76, 87);

this.groupBoxNumbers.Name = "groupBoxNumbers";

this.groupBoxNumbers.Size = new System.Drawing.Size(160, 163);

this.groupBoxNumbers.TabIndex = 18;

this.groupBoxNumbers.TabStop = false;

//

// groupBoxFunctions

//

this.groupBoxFunctions.Controls.Add(this.buttonEqules);

this.groupBoxFunctions.Controls.Add(this.buttonDevide);

this.groupBoxFunctions.Controls.Add(this.buttonMultiply);

this.groupBoxFunctions.Controls.Add(this.buttonSign);

this.groupBoxFunctions.Controls.Add(this.buttonMinus);

this.groupBoxFunctions.Controls.Add(this.buttonPlus);

this.groupBoxFunctions.Location = new System.Drawing.Point(242, 93);

this.groupBoxFunctions.Name = "groupBoxFunctions";

this.groupBoxFunctions.Size = new System.Drawing.Size(89, 186);

this.groupBoxFunctions.TabIndex = 19;

this.groupBoxFunctions.TabStop = false;

this.groupBoxFunctions.Text = "Functions";

this.groupBoxFunctions.UseCompatibleTextRendering = true;

//

// buttonEqules

//

this.buttonEqules.Location = new System.Drawing.Point(47, 125);

this.buttonEqules.Name = "buttonEqules";

this.buttonEqules.Size = new System.Drawing.Size(42, 32);

this.buttonEqules.TabIndex = 17;

this.buttonEqules.Text = "=";

this.buttonEqules.UseVisualStyleBackColor = true;

//

// buttonClear

//

this.buttonClear.Location = new System.Drawing.Point(289, 55);

this.buttonClear.Name = "buttonClear";

this.buttonClear.Size = new System.Drawing.Size(42, 32);

this.buttonClear.TabIndex = 20;

this.buttonClear.Text = "Clear";

this.buttonClear.UseVisualStyleBackColor = true;

//

// menuStrip1

//

this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {

this.editToolStripMenuItem,

this.aboutToolStripMenuItem,

this.settingsToolStripMenuItem,

this.helpToolStripMenuItem});

this.menuStrip1.Location = new System.Drawing.Point(0, 0);

this.menuStrip1.Name = "menuStrip1";

this.menuStrip1.Size = new System.Drawing.Size(338, 24);

this.menuStrip1.TabIndex = 21;

this.menuStrip1.Text = "menuStrip1";

//

// editToolStripMenuItem

//

this.editToolStripMenuItem.Name = "editToolStripMenuItem";

this.editToolStripMenuItem.Size = new System.Drawing.Size(35, 20);

this.editToolStripMenuItem.Text = "File";

//

// aboutToolStripMenuItem

//

this.aboutToolStripMenuItem.Name = "aboutToolStripMenuItem";

this.aboutToolStripMenuItem.Size = new System.Drawing.Size(37, 20);

this.aboutToolStripMenuItem.Text = "Edit";

//

// settingsToolStripMenuItem

//

this.settingsToolStripMenuItem.Name = "settingsToolStripMenuItem";

this.settingsToolStripMenuItem.Size = new System.Drawing.Size(58, 20);

this.settingsToolStripMenuItem.Text = "Settings";

//

// helpToolStripMenuItem

//

this.helpToolStripMenuItem.Name = "helpToolStripMenuItem";

this.helpToolStripMenuItem.Size = new System.Drawing.Size(40, 20);

this.helpToolStripMenuItem.Text = "Help";

//

// groupBoxMemory

//

this.groupBoxMemory.Controls.Add(this.buttonMemoryToggle);

this.groupBoxMemory.Controls.Add(this.button12);

this.groupBoxMemory.Controls.Add(this.button11);

this.groupBoxMemory.Controls.Add(this.button10);

this.groupBoxMemory.Location = new System.Drawing.Point(12, 93);

this.groupBoxMemory.Name = "groupBoxMemory";

this.groupBoxMemory.Size = new System.Drawing.Size(56, 171);

this.groupBoxMemory.TabIndex = 22;

this.groupBoxMemory.TabStop = false;

this.groupBoxMemory.Text = "Mem";

this.groupBoxMemory.UseCompatibleTextRendering = true;

//

// buttonMemoryToggle

//

this.buttonMemoryToggle.FlatAppearance.BorderSize = 2;

this.buttonMemoryToggle.FlatStyle = System.Windows.Forms.FlatStyle.Flat;

this.buttonMemoryToggle.Location = new System.Drawing.Point(8, 19);

this.buttonMemoryToggle.Name = "buttonMemoryToggle";

this.buttonMemoryToggle.Size = new System.Drawing.Size(42, 32);

this.buttonMemoryToggle.TabIndex = 26;

this.buttonMemoryToggle.UseVisualStyleBackColor = true;

//

// button12

//

this.button12.Location = new System.Drawing.Point(8, 57);

this.button12.Name = "button12";

this.button12.Size = new System.Drawing.Size(42, 32);

this.button12.TabIndex = 25;

this.button12.Text = "MC";

this.button12.UseVisualStyleBackColor = true;

//

// button11

//

this.button11.Location = new System.Drawing.Point(8, 95);

this.button11.Name = "button11";

this.button11.Size = new System.Drawing.Size(42, 32);

this.button11.TabIndex = 24;

this.button11.Text = "ML";

this.button11.UseVisualStyleBackColor = true;

//

// button10

//

this.button10.Location = new System.Drawing.Point(8, 133);

this.button10.Name = "button10";

this.button10.Size = new System.Drawing.Size(42, 32);

this.button10.TabIndex = 23;

this.button10.Text = "MR";

this.button10.UseVisualStyleBackColor = true;

//

// Calc

//

this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

this.ClientSize = new System.Drawing.Size(338, 291);

this.Controls.Add(this.groupBoxMemory);

this.Controls.Add(this.buttonClear);

this.Controls.Add(this.groupBoxFunctions);

this.Controls.Add(this.groupBoxNumbers);

this.Controls.Add(this.buttonBackSpace);

this.Controls.Add(this.outPutBox);

this.Controls.Add(this.menuStrip1);

this.MainMenuStrip = this.menuStrip1;

this.Name = "Calc";

this.Text = "C# Calc";

this.groupBoxNumbers.ResumeLayout(false);

this.groupBoxFunctions.ResumeLayout(false);

this.menuStrip1.ResumeLayout(false);

this.menuStrip1.PerformLayout();

this.groupBoxMemory.ResumeLayout(false);

this.ResumeLayout(false);

this.PerformLayout();

}

#endregion

private System.Windows.Forms.Button button1;

private System.Windows.Forms.Button button2;

private System.Windows.Forms.Button button3;

private System.Windows.Forms.Button button4;

private System.Windows.Forms.Button button5;

private System.Windows.Forms.Button button6;

private System.Windows.Forms.Button button7;

private System.Windows.Forms.Button button8;

private System.Windows.Forms.Button button9;

private System.Windows.Forms.Button buttonZero;

private System.Windows.Forms.Button buttonDecimal;

private System.Windows.Forms.TextBox outPutBox;

private System.Windows.Forms.Button buttonMinus;

private System.Windows.Forms.Button buttonDevide;

private System.Windows.Forms.Button buttonMultiply;

private System.Windows.Forms.Button buttonSign;

private System.Windows.Forms.Button buttonPlus;

private System.Windows.Forms.Button buttonBackSpace;

private System.Windows.Forms.GroupBox groupBoxNumbers;

private System.Windows.Forms.GroupBox groupBoxFunctions;

private System.Windows.Forms.Button buttonClear;

private System.Windows.Forms.MenuStrip menuStrip1;

private System.Windows.Forms.ToolStripMenuItem editToolStripMenuItem;

private System.Windows.Forms.ToolStripMenuItem aboutToolStripMenuItem;

private System.Windows.Forms.GroupBox groupBoxMemory;

private System.Windows.Forms.ToolStripMenu

Edited March 7, 2006 by iccaros

iccaros · March 15, 2006

ok got it working.. maybe some one has ideal on doing this better

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

namespace Calc
{
	public partial class Calc : Form
	{
		public Calc()
		{
			InitializeComponent();
		}

		private int funtionKey = 0;// int funtion key to allow case of function choosen
		private bool decmialOn = false;//to disally multiple decmial points on a line
		private double calcStorage = 0.0;
		private int funtionDisplayCheck = 0;
		private double memorySpace = 0.0;
		private void functionProcess()
		{
			//this funtion will do all processing of /*-+
			//this will be a case statment that will check the value
			//of funtionKey 1 for addition 2 for subtract, 4 for devide, 3 for multiply
			double calcTemp = calcStorage;
			calcStorage = Convert.ToDouble(outPutBox.Text);
			switch (funtionKey)
			{
				case 1:
					outPutBox.Text = Convert.ToString(calcTemp + calcStorage);
					break;
				case 2:
					outPutBox.Text = Convert.ToString(calcTemp - calcStorage);
					break;
				case 3:
					outPutBox.Text = Convert.ToString(calcTemp * calcStorage);
					break;
				case 4:
					outPutBox.Text = Convert.ToString(calcTemp / calcStorage);
					break;
			}
		}


		private void button1_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
			{
				outPutBox.Text = "1";
			}
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "1";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "1";
		}

		private void button2_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "2";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "2";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "2";
		}

		private void button3_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "3";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "3";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "3";
		}

		private void button4_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "4";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "4";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "4";
		}

		private void button5_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "5";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "5";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "5";
		}

		private void button6_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "6";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "6";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "6";
		}

		private void button7_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "7";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "7";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "7";
		}

		private void button8_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "8";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "8";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "8";
		}

		private void button9_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "9";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "9";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "9";
		}

		private void buttonDecimal_Click(object sender, EventArgs e)
		{
			if (decmialOn)
				return;
			else
				if (outPutBox.Text == "0")
					outPutBox.Text = "0.";
				else
					outPutBox.Text = outPutBox.Text + ".";

			decmialOn = true;


		}

		private void buttonZero_Click(object sender, EventArgs e)
		{
			if (outPutBox.Text == "0")
				outPutBox.Text = "0";
			else
				if (funtionDisplayCheck != 0)
				{
					outPutBox.Text = "0";
					funtionDisplayCheck = 0;
				}
				else
					outPutBox.Text = outPutBox.Text + "0";
		}

		private void buttonEqules_Click(object sender, EventArgs e)
		{
			//do math
			functionProcess();
			//reset keys
			funtionKey = 0;
			decmialOn = false;
			buttonMemoryToggle.Text = "";
		}
		private void buttonPlus_Click(object sender, EventArgs e)
		{
			if (funtionKey != 0)
				functionProcess();
			else
			{
				calcStorage = Convert.ToDouble(outPutBox.Text);
				// outPutBox.Text = "0";
			}

			funtionKey = 1;
			funtionDisplayCheck = 1;

		}
		private void buttonMultiply_Click(object sender, EventArgs e)
		{
			if (funtionKey != 0)
				functionProcess();
			else
			{
				calcStorage = Convert.ToDouble(outPutBox.Text);
				//outPutBox.Text = "0";
			}

			funtionKey = 3;
			funtionDisplayCheck = 1;

		}

		private void buttonMinus_Click(object sender, EventArgs e)
		{
			if (funtionKey != 0)
				functionProcess();
			else
			{
				calcStorage = Convert.ToDouble(outPutBox.Text);
				//outPutBox.Text = "0";
			}

			funtionKey = 2;
			funtionDisplayCheck = 1;

		}

		private void buttonDevide_Click(object sender, EventArgs e)
		{
			if (funtionKey != 0)
				functionProcess();
			else
			{
				calcStorage = Convert.ToDouble(outPutBox.Text);
				//outPutBox.Text = "0";
			}

			funtionKey = 4;
			funtionDisplayCheck = 1;

		}

		private void buttonBackSpace_Click(object sender, EventArgs e)
		{
			string outPutTemp = outPutBox.Text;
			if (outPutTemp.Length > 1)
				outPutTemp = outPutTemp.Substring(0, outPutTemp.Length - 1);
			else
				outPutTemp = "0";
			outPutBox.Text = outPutTemp;

		}

		private void buttonClear_Click(object sender, EventArgs e)
		{
			outPutBox.Text = "0";
			decmialOn = false;
		}



		private void buttonSign_Click(object sender, EventArgs e)
		{
			double tempHolder = 0;
			tempHolder = Convert.ToDouble(outPutBox.Text);

				tempHolder = -(tempHolder);
				outPutBox.Text = Convert.ToString(tempHolder);

		}

		private void buttonSQR_Click(object sender, EventArgs e)
		{
			calcStorage = Convert.ToDouble(outPutBox.Text);
			calcStorage = Math.Sqrt(calcStorage);
			outPutBox.Text = Convert.ToString(calcStorage);
		}

		private void buttonMemoryClear_Click(object sender, EventArgs e)
		{
			memorySpace = 0.0;
			buttonMemoryToggle.Text = "";

		}

		private void buttonStorage_Click(object sender, EventArgs e)
		{
			memorySpace = Convert.ToDouble(outPutBox.Text);
			buttonMemoryToggle.Text = "M";
		}

		private void buttonMemoryRelease_Click(object sender, EventArgs e)
		{
			outPutBox.Text = Convert.ToString(memorySpace);
		}

		private void buttonMemory_Click(object sender, EventArgs e)
		{
			double tempMem = 0;
			tempMem = Convert.ToDouble(outPutBox.Text );
			memorySpace = memorySpace + tempMem;
			outPutBox.Text = Convert.ToString(memorySpace);
		}


	}
}

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