Pair programming Project--arithmetic

1. Companion information

Wang Yubong, ITCSC 13-1, school Number: 130201124

2. Basic functions

This assignment is arithmetic, is subtraction between the operation, popular simple.

3. Program 1) Form layout

2) Program operation

4. Code

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 windowsformsapplication2{public partialClass Form1:form {PublicForm1() {InitializeComponent ();}PublicvoidIntegerdivide() {String Getmax = Textmin.text;int minnum = Convert.ToInt32 (Getmax);Minimum range setting String getmin = Textmax.text;int maxnum = Convert.ToInt32 (getmin);Maximum range setting Random R =New Random ();Take a random numberint Den1, Den2, NUM1, num2; Den1 = R.next (Minnum, maxnum); NUM1 = R.next (Minnum, DEN1); Den2 = R.next (Minnum, maxnum); num2 = R.next (Minnum, den2);if (den2! =0)List. Items.Add (Den1 +"/" +"(" + Den2 +")" +"=");else {List. Items.Add (Den2 +"/" +"(" + Den1 +")" +"="); } }PublicvoidFractionadd() {String Getmax = Textmin.text;int minnum = Convert.ToInt32 (Getmax); String getmin = Textmax.text;int maxnum = Convert.ToInt32 (getmin); Random R =New Random ();int Den1, Den2, NUM1, num2; Den1 = R.next (Minnum, maxnum); NUM1 = R.next (Minnum, DEN1); Den2 = R.next (Minnum, maxnum); num2 = R.next (Minnum, den2);if (den1! =0) {if (den2! =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"+" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"+" +"(" + Den2 +"/" + num2 +")" +"="); } }else {if (den2! =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"+" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"+" +"(" + Den2 +"/" + num2 +")" +"="); } } }PublicvoidFractiondelete() {String Getmax = Textmin.text;int minnum = Convert.ToInt32 (Getmax); String getmin = Textmax.text;int maxnum = Convert.ToInt32 (getmin); Random R =New Random ();int Den1, Den2, NUM1, num2; Den1 = R.next (Minnum, maxnum); NUM1 = R.next (Minnum, DEN1); Den2 = R.next (Minnum, maxnum); num2 = R.next (Minnum, den2);if (den1! =0) {if (den2! =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"-" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"-" +"(" + Den2 +"/" + num2 +")" +"="); } }else {if (den2! =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"-" +"(" + num2 +"-" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"-" +"(" + Den2 +"/" + num2 +")" +"="); } } }PublicvoidFractionmultiply() {String Getmax = Textmin.text;int minnum = Convert.ToInt32 (Getmax); String getmin = Textmax.text;int maxnum = Convert.ToInt32 (getmin); Random R =New Random ();int Den1, Den2, NUM1, num2; Den1 = R.next (Minnum, maxnum); NUM1 = R.next (Minnum, DEN1); Den2 = R.next (Minnum, maxnum); num2 = R.next (Minnum, den2);if (den1! =0) {if (den2! =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"*" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"*" +"(" + Den2 +"/" + num2 +")" +"="); } }else {if (den2! =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"*" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"*" +"(" + Den2 +"/" + num2 +")" +"="); } } }PublicvoidFractiondivide() {String Getmax = Textmin.text;int minnum = Convert.ToInt32 (Getmax); String getmin = Textmax.text;int maxnum = Convert.ToInt32 (getmin); Random R =New Random ();int Den1, Den2, NUM1, num2; Den1 = R.next (Minnum, maxnum); NUM1 = R.next (Minnum, DEN1); Den2 = R.next (Minnum, maxnum); num2 = R.next (Minnum, den2);if (den1! =0) {if (den2! =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"/" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + NUM1 +"/" + Den1 +")" +"/" +"(" + Den2 +"/" + num2 +")" +"=");Change}}else {if (den2! =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"/" +"(" + num2 +"/" + Den2 +")" +"="); }Elseif (Den2 = =0) {List. Items.Add ("(" + Den1 +"/" + NUM1 +")" +"/" +"(" + Den2 +"/" + num2 +")" +"="); } } }PrivatevoidForm1_Load(object sender, EventArgs e) { }PrivatevoidButton1_Click(object sender, EventArgs e) {String getnum = Textin.text;int num = Convert.ToInt32 (getnum);Enter the number of topics String Getmax = Textmin.text;int minnum = Convert.ToInt32 (Getmax);Minimum number set String getmin = Textmax.text;int maxnum = Convert.ToInt32 (getmin);Maximum number settingint i; Random R =New Random ();int import =0;for (i =0; i < num; i++) {int Den1, Den2, NUM1, num2; Den1 = R.next (Minnum, maxnum); NUM1 = R.next (Minnum, DEN1); Den2 = R.next (Minnum, maxnum); num2 = R.next (Minnum, den2); Import = R.next (0,8);Switch (import) {Case0:List. Items.Add (Den1 +"+" +"(" + Den2 +")" +"=");BreakCase1:List. Items.Add (Den1 +"-" +"(" + Den2 +")" +"=");BreakCase2:List. Items.Add (Den1 +"*" +"(" + Den2 +")" +"=");break; case 3:integerdivide (); break; //integer division case 4:fractionadd (); Span class= "Hljs-keyword" >break; //score addition case 5:fractiondelete (); Span class= "Hljs-keyword" >break; //fractional subtraction case 6:fractionmultiply () ; break; //fractional multiplication case 7:fractiondivide (); Span class= "Hljs-keyword" >break; //fractional Division}} }}} 
 5. Summary 
 Through these hours of learning, as well as teachers and teaching assistants carefully taught, I technology leaps and bounds, thanks to the teacher TA and students guidance!  

Pair programming Project--arithmetic