Pi funktion refactoring

Taschenrechner.java

@@ -55,7 +55,7 @@ public class Taschenrechner {
 		return temp;
 	}
 	
-	static double pie() {
+	static double pi() {
 		return Math.PI;
 	}
 	
@@ -142,7 +142,7 @@ public class Taschenrechner {
 		case 9:{
 			System.out.println("Pi\n");
 			
-			System.out.println("Pi:" + pie());
+			System.out.println("Pi:" + pi());
 			
 			break;
 		}