Free Programming Source Codes and Computer Programming Tutorials

Tuesday, May 16, 2023

Product Discount Solver in PERL

A program to solve product discount of a certain product using PERL programming language.

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My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
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Program Listing

#!/usr/bin/perl

use strict;
use warnings;

print "Product Discount Solver in PERL\n\n";
print "Enter original price: ";
my $original_price = <STDIN>;
chomp($original_price);

print "Enter discount percentage: ";
my $discount_percentage = <STDIN>;
chomp($discount_percentage);

my $discount_amount = ($discount_percentage / 100) * $original_price;
my $final_price = $original_price - $discount_amount;

printf "Discount amount: %.2f\n", $discount_amount;
printf "Final price: %.2f\n", $final_price;

Monday, May 15, 2023

Benefits of Learning Computers

Benefits of Learning Computers

Learning computers offers a wide range of benefits that can improve one's personal and professional life. Some of the key benefits include:

1. Career opportunities: In today's digital age, knowledge of computers and technology is essential for most jobs. Learning computer skills can help one qualify for a wide range of careers in fields such as IT, graphic design, engineering, and data analysis.

2. Communication and connectivity: Computers and the internet have made it easier than ever to communicate and connect with people around the world. By learning computers, one can use tools like email, social media, and video conferencing to stay in touch with friends, family, and colleagues.

3. Increased productivity: Computers can help automate and streamline tasks, allowing one to work more efficiently. With the right skills and tools, one can use computers to create and manage documents, track projects, and stay organized.

4. Access to information: The internet provides a vast repository of information on nearly any topic. By learning computers, one can access this information and use it to expand their knowledge, research topics of interest, and stay informed about current events.

5. Creativity: Computers offer a wide range of tools and software for creative expression, such as graphic design, music composition, and video editing. By learning these tools, one can express themselves in new and exciting ways.

Overall, learning computers can be a valuable skill that offers numerous benefits in both personal and professional contexts.

Benefits of Learning Computers

Saturday, May 13, 2023

Disadvantages of Java Programming Language

Product Discount Solver in C++

A program to compute the product discount of a certain product using C++ programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

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Thank you very much for your support.




Program Listing
#include <iostream>
#include <iomanip>
using namespace std;

int main() {
   double originalPrice, discountPercentage, discountedPrice;

   cout << "\tProduct Discount Solver in C++\n\n";
   cout << "Enter the original price of the product: ";
   cin >> originalPrice;

   cout << "Enter the discount percentage: ";
   cin >> discountPercentage;

   discountedPrice = originalPrice - (originalPrice * (discountPercentage/100));

   cout << "The discounted price is $" << fixed << setprecision(2) << discountedPrice << endl;

   return 0;
}

Friday, May 12, 2023

Applications of Digital Circuits

Task Manager in Windows 11

Device Manager in Windows 11

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Thursday, May 11, 2023

Square a Number Using Pointers in C

A program to ask the user to give a number and then the program will convert the given number into square equivalent using pointers in C programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
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Patreon
https://www.patreon.com/jakerpomperada

Thank you very much for your support.




Program Listing
#include <stdio.h>

int main() {
   int num, *ptr, square;

   printf("Enter a number: ");
   scanf("%d", &num);

   ptr = &num;

   square = (*ptr) * (*ptr);

   printf("The square of %d is %d", num, square);

   return 0;
}

What is Adobe Photoshop?

Tuesday, May 9, 2023

How To Become A System Engineer?

Euro To Philippine Peso in C++

A program to ask the user to give Euro currency value and convert it into Philippine peso equivalent using C++ programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
https://paypal.me/jakerpomperada

Patreon
https://www.patreon.com/jakerpomperada

Thank you very much for your support.



Program Listing
#include <iostream>
#include <iomanip>

using namespace std;

#define Philippine_Peso  61.01;

int main() {
    double euro, exchange_rate, peso;

    cout <<"\n\n";
    cout << "\tEuro To Philippine Peso in C++\n\n";

    // Input the Euro amount
    cout << "\tEnter the amount in Euro: ";
    cin >> euro;


   // Convert Euro to Philippine Peso
    peso = euro * Philippine_Peso;

    cout <<"\n\n";

    // Display the result
    cout << fixed << setprecision(2);
    cout <<"\t"<< euro << " Euro is equal to " << peso << " Philippine Peso." << endl;

    return 0;
}

What is IT Project Management?

Monday, May 8, 2023

Applications of Algorithms in Computer Programming

Sunday, May 7, 2023

History of Microsoft Corporation

Meters To Centimeters in C

A program to ask the user to give length in meters and then the program will convert the given meters value into centimeters equivalent using C programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
https://paypal.me/jakerpomperada

Patreon
https://www.patreon.com/jakerpomperada

Thank you very much for your support.


Program Listing

#include <stdio.h>

int main() {
    float meters, centimeters;

    printf("\n\n\tMeters To Centimeters in C\n\n\n");
    printf("\tEnter length in meters: ");
    scanf("%f", &meters);

    centimeters = meters * 100;

    printf("\n\t%.2f meters is equal to %.2f centimeters\n", meters, centimeters);

    return 0;
}

Applications of Discrete Mathematics

What is Discrete Mathematics?

Saturday, May 6, 2023

Area of the Circle Using Kotlin

A program to compute the area of the circle using Kotlin programming language.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
https://paypal.me/jakerpomperada

Patreon
https://www.patreon.com/jakerpomperada

Thank you very much for your support.





Program Listing
import kotlin.math.*

fun main() {
    val r = 8.12
    val area = PI * r * r
    val roundedArea = round(area * 100) / 100 // round to 2 decimal places
    
    println("\n\nArea of a Circle in Kotlin\n");
    println("Give radius :  $r\n");
    println("The area of the circle is: $roundedArea")
}

Ang aking karanasan bilang Part Time IT Teacher

Thursday, May 4, 2023

Importance of Data Structure

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
https://paypal.me/jakerpomperada

Patreon
https://www.patreon.com/jakerpomperada

Thank you very much for your support.



Program Listing
#include <iostream>
#include <string>

int main() {
    bool isMale = true;
    std::string gender = isMale ? "Male" : "Female";
    std::cout << "This person is " << gender <<"."<<std::endl;
    return 0;
}

Tuesday, May 2, 2023

Why it is important to study mathematics?

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel  https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================

You can buy my C++ book online at  

https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/

You can buy my book in introduction to computer networking at 
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking

Want to support my channel?
GCash Account
Jake Pomperada

09173084360

Paypal
https://paypal.me/jakerpomperada

Patreon
https://www.patreon.com/jakerpomperada

Thank you very much for your support.





Program Listing


<!DOCTYPE html>
<html>
  <head>
    <title>Login Form in HTML</title>
  </head>
  <body>
    <form action="login.php" method="post">
      <label for="username">Username:</label>
      <input type="text" id="username" name="username">
      <br><br>
      <label for="password">Password:</label>
      <input type="password" id="password" name="password">
      <br><br>
      <input type="submit" value="Submit">
    </form>
  </body>
</html>