diff --git a/Methoden.java b/Methoden.java
index db0ec99..3781c47 100644
--- a/Methoden.java
+++ b/Methoden.java
@@ -13,16 +13,37 @@ public static double quadrat(double x) {
     {
         System.out.println(quadrat(3));
     }
-
-
-    public static void quadratzahlen(){
+    
+    public static int summe(int a, int b){
+        
+        int summe = a + b;
+        return summe;
         
-        float x = 1;
-        while(quadrat(x) < 500){
-            
-            System.out.println(quadrat(x));
-            x++;
-        }
     }
     
+    public static int differenz(int c, int d){
+        
+        int differenz = c - d;
+        return differenz;
+        
+    }
+    
+    public static int produkt(int e, int f){
+        
+        int produkt = e * f;
+        return produkt;
+    }
+    
+    public static int quotient(int g, int h){
+        
+        int quotient = g / h;
+        return quotient;
+    }
+    
+    public static int term(int x){
+        
+        System.out.println(summe(produkt(3, 2), produkt(3, 5)));
+        int ergebnis = quotient(summe(produkt(4, x), 8), differenz(summe(8, 9), produkt(3, 5)));
+        return ergebnis;
+    }
 }
\ No newline at end of file
diff --git a/ParameterUndSo.java b/ParameterUndSo.java
deleted file mode 100644
index 8e0d5ed..0000000
--- a/ParameterUndSo.java
+++ /dev/null
@@ -1,18 +0,0 @@
-public class ParameterUndSo{
-    
-    public static void summe(int a, int b){
-        
-        int summe = a + b;
-        System.out.println(summe);
-        
-    }
-    
-    public static void differenz(int c, int d){
-        
-        int differenz = c - d;
-        System.out.println(differenz);
-        
-    }
-    
-    
-}
\ No newline at end of file
diff --git a/Schleifen.java b/Schleifen.java
index ba682d6..c8675da 100644
--- a/Schleifen.java
+++ b/Schleifen.java
@@ -15,7 +15,7 @@ public class Schleifen
     {
         for (int i = 1; i < 21; i++)
         {
-            System.out.println(i +"^2= "+ i * i);
+            System.out.println(Methoden.quadrat(i));
         }