diff --git a/.idea/misc.xml b/.idea/misc.xml
index d15472f..6a446fe 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_20" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/ArchimedesPiMethod.java b/src/ArchimedesPiMethod.java
deleted file mode 100644
index 0b6e780..0000000
--- a/src/ArchimedesPiMethod.java
+++ /dev/null
@@ -1,7 +0,0 @@
-import java.util.Scanner;
-
-public class ArchimedesPiMethod {
-    public static void main(String[] args) {
-
-    }
-}
diff --git a/src/Main.java b/src/Main.java
new file mode 100644
index 0000000..d10a4c9
--- /dev/null
+++ b/src/Main.java
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+public class Main {
+    public static void main(String[] args) {
+        Scanner s = new Scanner(System.in);
+        try {
+            System.out.println("Please enter the number of sides for a polygon: ");
+            int numSides = Integer.parseInt(s.nextLine()); // n = numSides, n = 8 was not right
+            double angleB = 360.0 / numSides;
+            double angleA = angleB / 2;
+            double side = 2 * Math.sin(Math.toRadians(Math.toRadians(angleA))); // side = s
+            double p = numSides * side; // p = perimeter
+            double myPI= p / 2;
+            System.out.printf("My estimate for PI: %.15f Real PI: %.15f%n", myPI, Math.PI);
+
+        } catch(NumberFormatException nfe) {
+            System.out.println("You need to enter a number.");
+        }
+            }
+        }