Addition of Two Numbers Using GUI in Python

 A simple program to ask the user to give two numbers and then the program will compute the sum of two numbers using a graphical user interface using Python programming language.

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Program Listing

from tkinter import *

root = Tk()
root.title("Addition of Two Numbers Using GUI in Python")
width = 600
height = 300
screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()
x = (screen_width/2) - (width/2)
y = (screen_height/2) - (height/2)
root.geometry("%dx%d+%d+%d" % (width, height, x, y))
root.resizable(False,False)

#==============================METHODS========================================
def add():
    if not num1.get() and not num2.get():
        print("Please enter a number")
    else:
        res=int(num1.get())+int(num2.get())
        lbl_text.config(text = "The answer is %d" % (res))
        num1.set=""
        num2.set=""

#==============================FRAMES=========================================
Top = Frame(root, bd=2,  relief=RIDGE)
Top.pack(side=TOP, fill=X)
Form = Frame(root, height=200)
Form.pack(side=TOP, pady=20)

#==============================LABELS=========================================
lbl_title = Label(Top, text = "Addition of Two Numbers Using GUI in Python", font=('arial', 16))
lbl_title.pack(fill=X)
lbl_num1 = Label(Form, text = "Enter First Value:", font=('arial', 14), bd=15)
lbl_num1.grid(row=0, sticky="e")
lbl_num2 = Label(Form, text = "Enter Second Value:", font=('arial', 14), bd=15)
lbl_num2.grid(row=1, sticky="e")
lbl_text = Label(Form)
lbl_text.grid(row=2, columnspan=2)

#==============================ENTRY WIDGETS==================================
num1 = Entry(Form, font=(14))
num1.grid(row=0, column=1)
num2 = Entry(Form, font=(14))
num2.grid(row=1, column=1)

#==============================BUTTON WIDGETS=================================
btn_calculate = Button(Form, text="Add", width=45, command=add)
btn_calculate.grid(pady=25, row=3, columnspan=2)


root.mainloop()

Graphical User Interface in Python Using Tkinter

Graphical User Interface in Python Using Tkinter

 A simple program to demonstrate how to create a graphical user interface using Tkinter in Python programming language.

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Program Listing

from tkinter import  *

root = Tk()

root.geometry("600x300")
root.title("Graphical User Interface in Python Using Tkinter")
root.resizable(False,False)
root.mainloop()

Largest of Five Numbers in C++

Largest of Five Numbers in C++

 A program that will ask the user to give five numbers and then the program will determine which of the five numbers has the largest numerical value using a C++ programming language.

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Program Listing

// minmax_element
#include <iostream>     // std::cout
#include <algorithm>    // std::minmax_element
#include <array>        // std::array

int main () {

  int a=0,b=0,c=0,d=0,e=0;

   std::cout <<"\n\n";
   std::cout <<"\tLargest of Five Numbers in C++";
   std::cout <<"\n\n";
   std::cout << "\tGive five numbers : ";
   std::cin >> a >> b >> c >> d >> e;

   std::array<int,5> foo {a,b,c,d,e};
   auto result = std::minmax_element (foo.begin(),foo.end());

   std::cout <<"\n\n";
   std::cout << "\tThe Largest Number : " << *result.second;
   std::cout <<"\n\n";
   std::cout << "\tEnd of Program";
   std::cout <<"\n\n";
   return 0;
}

Print 1 To 10 Using Do While Statement in C

Print 1 To 10 Using Do While Statement in C

 A simple program that will print 1 to 10 using do while statement using  C programming language.

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Program Listing
#include <stdio.h>

int main()
{
	int a=1;
	
	printf("\n\n");
	printf("\tPrint 1 To 10 Using Do While Statement in C");
	printf("\n\n");
    printf("\t");
 do {
 	printf("%4d",a);
 	a++;
 } while(a<=10);
    printf("\n\n");
	printf("\tEnd of Program");
	printf("\n\n");
}

Print 1 To 10 Using Do While Statement in C++

Print 1 To 10 Using Do While Statement in C++

 A simple program to print 1 to 10 using do-while loop statement using a C++ programming language.

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Program Listing
#include <iostream>

int a=0;

int main(){
	a=1;
	
	std::cout <<"\n\n";
	std::cout << "\tPrint 1 To 10 Using Do While Statement in C++";
	std::cout <<"\n\n";
	std::cout <<"\t";
	do {
		
		std::cout << " " << a << " ";
		a++;
	} while (a<=10);
     std::cout <<"\n\n";
	std::cout << "\tEnd of Program";
	std::cout <<"\n\n";
}

Prime Numbers in PHP

Prime Numbers in PHP

 A simple program to ask the user to give a number and then it will display if the given number is a prime number or not using PHP programming language.

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Program Listing
index.php
<?php
    if (isset($_POST["txtNumber"])) {
        $MyNum = $_POST["txtNumber"];
        $n = 0;

        for ($i = 2; $i < $MyNum; $i++) {
            if ($MyNum % $i == 0) {
                $n++;
                break;
            }
        }

        if ($n == 0) {
            $output = $MyNum . " is a prime number.";
        } else {
            $output = $MyNum . " is not a prime number.";
        }
    }

?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Prime Numbers in PHP</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body style="font-family:'Lucida Sans', sans-serif;">
    <main class="container d-flex justify-content-center align-items-center" style="min-height: 100vh;">
        <div class="card p-3">
            <div class="card-body text-center">
                <div class="alert alert-primary mt-2" role="alert">
                    <h2 class="mb-2 text-uppercase">Prime Numbers in PHP</h2>
                    <p class="mb-0">Created By:</p>
                    <h5 class="lh-1">&#187; Jake R. Pomperada, MAED-IT, MIT &#171;</h5>    
                </div>

                <form class="my-3" action="" method="POST">
                    <div class="mb-1">
                        <label for="txtNumber" class="form-label">Enter a number</label>
                        <input type="text" class="form-control form-control-sm" name="txtNumber" id="txtNumber">
                    </div>
                    <button type="button" class="btn btn-primary btn-sm w-100">Submit</button>
                </form>
                <?php
                    if (isset($output)) {
                        echo '<div class="alert alert-primary mt-2" role="alert">
                                '.$output.'
                            </div>';
                    }
                ?>
            </div>
        </div>
    </ma>
</body>
</html>

Average Student Grades Using For Loop and Arrays in C++

Average Student Grades Using For Loop and Arrays in C++

 A simple program to ask the user to give five grades of the students and then the program will compute the average grade of the student using a C++ programming language.

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Program Listing
grades.cpp
#include <iostream>
#include <numeric>
#include <array>

constexpr int NumGrades = 5;

int main()
{
	std::array<int, NumGrades> grades;

    std::cout <<"\n\n";
    std::cout << "\tAverage Student Grades Using For Loop and Arrays in C++";
    std::cout <<"\n\n";
	for (int i = 0; i < NumGrades; ++i)
	{
			std::cout << "\tEnter Student Grade No. " << i+1 << " : ";
			std::cin >> grades[i];
	}
	auto sum_grades = std::accumulate(grades.cbegin(), grades.cend(), 0);
	auto avg_grade = sum_grades / NumGrades;

	std::cout <<"\n\n";
	std::cout << "\tThe Average Student Grades : " << avg_grade;
	std::cout <<"\n\n";
    std::cout << "\tEnd of Program";
    std::cout <<"\n\n";
}

Student Average Grade Using For Loop, and Arrays in C

Student Average Grade Using For Loop, and Arrays in C

 A simple program to ask the user to give five grades and then the program will compute the average grade of the students using for loop statements and arrays in the c programming language.

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Program Listing
#include <stdio.h>

#define NUM_GRADES	5

int accumulate(int grades[])
{
	int sum = 0;
	for (int i = 0; i < NUM_GRADES; ++i)
	{
		sum += grades[i];
	}
	return sum;
}


int main()
{
	int grades[ NUM_GRADES ] = { 0 };

	printf("\n\n");
	printf("\tStudent Average Grade Using For Loop, and Arrays in C");
	printf("\n\n");
	for (int i = 0; i < NUM_GRADES; ++i)
	{
		printf("\tEnter grade #%d: ", i+1);
		scanf("%d", &grades[i]);
	}
	int sum_grades = accumulate(grades);
	int avg_grade = sum_grades / NUM_GRADES;

	printf("\tThe Average Grade: %d", avg_grade);
	return 0;
}

Reverse a Number Using ng-app in AngularJS

Reverse a Number Using ng-app in AngularJS

 Machine Problem

Write a program that uses ng-app directive that will ask the user to give a number and then the program will display the original, and reverse arrangement of the given number by the user.

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Program Listing
<!-- index.htm
  Author   : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
  Date     : July 26, 2021 Monday 1:08 PM
  Place    : Bacolod City, Negros Occidental
  Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com
  Email    : jakerpomperada@gmail.com
 -->
<html>
<head> 
<title>Reverse a Number Using ng-app in AngularJS</title>
</head>
<style>
body {
   font-family: "arial";
   font-style: bold;
   font-size: 18px;
  }
 </style>
<script type="text/javascript" src="angular.min.js"></script>
<body><br>
<h3>Reverse a Number Using ng-app in AngularJS</h3>
<body>
<div ng-app="myApp" ng-controller="myController">
Give a Number &nbsp;&nbsp;<input type="number" ng-model="val_number" /> 
<br/><br>
        <button ng-click="Reverse_Number()"
        title="Click here to reverse the given number.">Ok</button>
         <br><br>
  {{original_number}}
      <br/><br>
 {{reverse_number}}
    </div>
    <script>
        var ngApp = angular.module('myApp', []);

        ngApp.controller('myController', function ($scope) {

          $scope.Reverse_Number=function()
      {
        var a,b,temp=0,reverse_number=0;
        var original_number=0, display=0;

        display = $scope.val_number;

        b=$scope.val_number;
          while($scope.val_number>0)
            {
              a=$scope.val_number%10;
               $scope.val_number=parseInt($scope.val_number/10);
             temp=temp*10+a;
            }    
         $scope.original_number ="The original number is " 
                               + display +".";;
         $scope.reverse_number ="The reverse number is " + temp +".";
          }
       
        });
    </script>
    <br>
    
</body>
</html>
</body>
</html>

Largest of Three Numbers in Python

Largest of Three Numbers in Python

A program asks the user to give three numbers and then the program will check which of the three numbers is the largest number using Python programming language.

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Program Listing

# To find the largest of three numbers

print()
print("\tLargest of Three Numbers in Python");
print()

# take inputs
num1 = int(input('\tEnter first number: '))
num2 = int(input('\tEnter second number: '))
num3 = int(input('\tEnter third number: '))

# find largest numbers
if (num1 >= num2) and (num1 >= num3):
    largest = num1
elif (num2 >= num1) and (num2 >= num3):
    largest = num2
else:
    largest = num3

# display result
print();
print('\tThe largest number = ', largest)
print();
print("\tEND OF PROGRAM");
print();

Login Error in Computer Programming Using C++

ARNOLD SCHWARZENEGGER Involved sa isang Car Accident

Prime Number in C

 A simple program asks the user to give a number and then the program will check if the given number is a prime number or not using a c programming language.

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Program Listing

#include <stdio.h>

int main()
{
    int a=0,i=0,flag=0;
    
    printf("\n\n");
    printf("\tGive a number: ");
    scanf("%d",&a);
    
	printf("\n");
    flag=0;
    for(i=2;i <= a/2;i++)
    {
        if(a%i == 0)
        {
            flag=1;
            break;
         }
    }
    if(flag==0)
        printf("\tThe given number %d is a Prime Number.",a);
    else
          printf("\tThe given number %d is Not a Prime Number.",a);
    printf("\n\n");
    printf("\tEnd of Program");
    printf("\n");
    return 0;
}

Arrays in PHP

Arrays in PHP

 A simple program to demonstrate arrays in PHP programming language.

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Program Listing

<?php

 print("Arrays in PHP");
 echo "<br>";
$square = array('one' => 'one', 'two' => 'four', 'three' => 'nine');

echo "The square of 1 is {$square['one']}.";
echo "<br>";
echo "The square of 2 is " . $square['two'] . ".";
echo "<br>";
echo "The square of 3 is " . $square['three'] . ".";
?>

String Concatenation in PHP

String Concatenation in PHP

 A simple program to demonstrate string concatenation in PHP programming language.

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Program Listing

<?php
echo "String Concatenation in PHP";
echo "<br><br>";

$title = "PHP ";
$title .= " Programming ";
$title .= " Language";
echo $title;
?>

Comments in PHP

Comments in PHP

 A simple article that shows the different types of comments in the PHP programming language.

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Program Listing

<?php
        
        print("Comments in PHP");
        echo "<br><br>";
        echo "line 1\n"; // comment1
        /* comment 2
           another line of comment 2*/
        echo "line 2\n";
        echo "line 3\n"; # comment 3
?>

Addition of Three Numbers Using Functions in C#

 A program that will ask the user to give three numbers and then the program will compute the sum of three numbers using a function in C# programming language.

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Program Listing

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        public static int Addition_Three_Numbers(int num1, int num2, int num3)
        {
            int total_sum = (num1 + num2 + num3);
            return total_sum;
        }
        
        static void Main(string[] args)
        {
            int num1, num2, num3, sum;

            Console.WriteLine("\n");
            Console.Write("\tAddition of Three Numbers Using Functions in C#");
            Console.WriteLine("\n");
            Console.Write("\tGive First  Value : ");
            num1 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\tGive Second Value : ");
            num2 = Convert.ToInt32(Console.ReadLine());
            Console.Write("\tGive Third Value  : ");
            num3 = Convert.ToInt32(Console.ReadLine());
            sum = Addition_Three_Numbers(num1, num2, num3);
            Console.WriteLine();
            Console.WriteLine("\tThe Total Sum is  " + sum + ".");
            Console.WriteLine();
            Console.WriteLine("\tEnd of Program");
            Console.WriteLine();
            Console.ReadKey();
        }
    }
}

Days of the Week Using Switch Statement in C

Days of the Week Using Switch Statement in C

 A simple program that will ask the user to give a number from 1 to 7 which represents days of the week like 1 - Monday, 2 - Tuesday, 3 - Wednesday, 4 - Thursday, 5-Friday, 6-Saturday, 7- Sunday using switch statement in C programming language.

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My mobile number here in the Philippines is 09173084360.




Program Listing
days.c

#include<stdio.h>
#include<conio.h>

void main()
{
int day=0;
printf("\n\n");
printf("\tDays of the Week Using Switch Statement in C");
printf("\n\n");
printf("\tGive a Day : ");
scanf("%d",&day);
printf("\n");
switch(day)
{

case 1:
{
printf("\tThe given day is Monday.");
break;
}
  case 2:
{
printf("\tThe given day is Tuesday.");
break;
}
case 3:
{
printf("\tThe given day is Wednesday.");
break;
}
case 4:
{
printf("\tThe given day is Thursday.");
break;
}
case 5:
{
printf("\tThe given day is Friday.");
break;
}
  case 6:
{
printf("\tThe given day is Saturday.");
break;
}
case 7:
{
printf("\tThe given day is Sunday.");
break;
}
default:
{
printf("\tInvalid day number");
}
}
printf("\n\n");
printf("\tEnd of Program");
printf("\n\n");
getch();
}

Two Decimal Places in Java

Two Decimal Places in Java

 A simple program to demonstrate how to declare and use two decimal places in Java programming language.

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Program Listing



import java.text.DecimalFormat;

public class Two_Decimal {
	
	private static final DecimalFormat df = new DecimalFormat("0.00");

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		

        double temp = 123.785;
        
        System.out.print("\n\n");
        System.out.print("\tTwo Decimal Places in Java");
        System.out.print("\n\n");
        System.out.println("\tTemperature Value : " + temp);
        System.out.print("\n");
        System.out.println("\tTwo Decimal Value Equivalent  " + df.format(temp));    

	}

}

Two Decimal Places in C++