Finishing of old pi to new pi C++ and java files

.gitignore

@@ -1,2 +1,3 @@
 
 .DS_Store
+.vscode/settings.json

Convert different pi numbers to new pi/Old_pi_to_new_pi.cpp

@@ -1,5 +1,29 @@
 #include <iostream>
 
+using namespace std;
+
 int main(){
+    // Number used as diameter
+    double diamiter = 10;
+
+    // Radius variable
+    double radius = diamiter / 2;
+
+    // Stating of input request
+    cout << "input variation of pi you wand to preform the calculation on:" << endl;
+
+    // Input var deceleration
+    double pi;
+
+    // Input usage
+    cin >> pi;
+
+    // Calculation
+    double cal1  = ((radius * radius)* pi) / 100;
+
+    // Display result
+    cout << "The new pi is: " + to_string(cal1) << endl;
+    cout << "Thank you for using Seiling old pi to new pi converter." << endl;
+
 
 }

Convert different pi numbers to new pi/Old_pi_to_new_pi.java

@@ -2,13 +2,23 @@
 
 public class Old_pi_to_new_pi{
     public static void main(final String[] args) {
+        // Number used as diamiter
+        final Double diamiter = 10.0;
+        // Radius number
+        final Double radius = diamiter/2;
         // Scanner Decleration
-        Scanner input = new Scanner(System.in);
+        final Scanner input = new Scanner(System.in);
 
         // First displayed line
         System.out.println("Input the variarion of pi you want to convert to new pi");
         // Input under the line
-        Double pi_num_var = input.nextDouble();
+        final Double pi_num_var = input.nextDouble();
+        // Calculation
+        final Double calculation1 = ((radius * radius) * pi_num_var) / 100;
+        // Display Result
+        System.out.println("New pi is: " + calculation1);
+        System.out.println("Thank you for using Seiling Old to new pi converter");
+
 
     } 
 }