Free Programming Source Codes and Computer Programming Tutorials

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.

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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;
}

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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.

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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;
}

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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.

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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

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Jake Pomperada

09173084360

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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;
}

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Saturday, May 6, 2023

Area of the Circle Using Kotlin

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

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My mobile number here in the Philippines is 09173084360.
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=================================================

You can buy my C++ book online at  

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

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Jake Pomperada

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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

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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

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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>

Sunday, April 30, 2023

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 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 <iostream>

using namespace std;

int main() {
    double meters, centimeters;
    
    cout << "\n\n";
    cout << "Meters To Centimeters in C++\n\n";
    // Prompt user to input meters
    cout << "Enter length in meters: ";
    cin >> meters;
    
    // Convert meters to centimeters
    centimeters = meters * 100;
    
    // Display result
    cout << meters << " meters = " << centimeters << " centimeters" << endl;
    
    return 0;
}

Friday, April 28, 2023

String Concatenation in C

A simple program to demonstrate the concept of string concatenation 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
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Thank you very much for your support.




Program Listing

#include <stdio.h>
#include <string.h>

int main() {
   char string1[50] = "Computer ";
   char string2[50] = "Programming";
   
   strcat(string1, string2);
   printf("Concatenated string: %s", string1);
   
   return 0;
}