Pseudocode to Add Two Numbers – C# Programming Example
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Pseudocode to Add Two Numbers

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by Mike
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Add Two Numbers Program Pseudocode Algorithm

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BEGIN
NUMBER s1, s2, sum
OUTPUT("Input number1:")
INPUT s1
OUTPUT("Input number2:")
INPUT s2
sum=s1+s2
OUTPUT sum
END
 

 

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C# Console Code: Write a program to add two numbers in C#

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class Program
    {
        static void Main(string[] args)
        {
            int num1, num2, sum;
            Console.WriteLine("Calculate the sum of two numbers:");
            Console.Write("Input number1:");
            num1 = Convert.ToInt32(Console.ReadLine());
            Console.Write("Input number2:");
            num2 = Convert.ToInt32(Console.ReadLine());
            sum = num1 + num2;
            Console.Write("Result:"+sum);
            Console.ReadKey();
        }
    }
 

 

Java Code: Write a program to add two numbers in Java

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    public static void main(String[] args) {
        Scanner reader = new Scanner(System.in);
      
        System.out.print("Enter first number: ");        
        int first = reader.nextInt();
        System.out.print("Enter second number: ");  
        int second = reader.nextInt();
        int sum = first + second;
        String output = String.format("%d + %d = %d",first,second,sum);
        System.out.println(output);
    }
 

 

Python Code: Write a program to add two numbers in Python

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num1 = input('Enter #1 : ')
num2= input('Enter #2 ')
sum=float(num1)+float(num2)
print("SUM:{0} ".format(sum))
 

 

PHP Code: Write a program to add two numbers in PHP

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<?php
$num1=0;
$num2=0;
$sum=0;
if(isset($_POST["add"]))
{
$num1=$_POST["num1"];
$num2=$_POST["num2"];
$sum=$num1+$num2;
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Add 2 Numbers in PHP</title>
<style>
label{
display: block;
}
</style>
</head>
<body>
<h1>Sum of Two Numbers:<?=$sum?></h1>
<form method="post">
<label>Number 1:
<input type="text" name="num1" value="<?=$num1?>">
</label>
<label>Number 2:
<input type="text" name="num2" value="<?=$num2?>">
</label>
<button type="submit" name="add">Add Numbers</button>
</form>
</body>
</html>
 

 

JavaScript Code: Write a program to add two numbers in JavaScript

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<!doctype html>
<html>
    <head>
        <title>Code4Examples</title>
        <meta charset="utf-8">
        <style>
            label{
                display: block;
            }
        </style>
    </head>
    <body>
        <h1 id="msg"></h1>
        <label for="num1">Number 1:
            <input type="text" id="num1">
        </label>
        <label for="num2">Number 2:
            <input type="text" id="num2">
        </label>
        <button id="add">Add Numbers</button>
        
        <script>
            //get inputs and button element from document
            
            var num1El=document.querySelector("#num1");
            var num2El=document.querySelector("#num2");
            var addBtn=document.querySelector("#add");
            var msgEl=document.querySelector("#msg");
            
            //bind a function tothe onClick event the AddBtn
            addBtn.onclick=function(){
                
                //add two numbers
                sum=Number(num1.value)+ Number(num2.value);
                
                //write the sum into #msg document
                msgEl.innerHTML=sum;
            }
            
            
        </script>
    </body>
</html>
 

 

C# Windows Form Code: Write a program to add two numbers in C# Windows Form

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    public partial class Form1 : Form
    {
         public Form1()
        {
            InitializeComponent();
        }
        private void Add_button_Click(object sender, EventArgs e)
        {
            try
            {
                double a = Convert.ToDouble(textBox1.Text);
                double b = Convert.ToDouble(textBox2.Text);
                textBox3.Text = (a + b).ToString();
            }
            catch(Exception)
            {
                MessageBox.Show("invalid input");
            }
        }
    }
 

 

Python Tkinter Code: Write a program to add two numbers in Python Tkinter

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from tkinter import *
def addNumbers():
    res=int(e1.get())+int(e2.get())
    myText.set(res)
master = Tk()
myText=StringVar();
Label(master, text="First").grid(row=0, sticky=W)
Label(master, text="Second").grid(row=1, sticky=W)
Label(master, text="Result:").grid(row=3, sticky=W)
result=Label(master, text="", textvariable=myText).grid(row=3,column=1, sticky=W)
e1 = Entry(master)
e2 = Entry(master)
e1.grid(row=0, column=1)
e2.grid(row=1, column=1)
b = Button(master, text="Calculate", command=addNumbers)
b.grid(row=0, column=2,columnspan=2, rowspan=2,sticky=W+E+N+S, padx=5, pady=5)
mainloop()
 

 

Flowchart of Pseudocode

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