diff --git a/src/funktion.c b/src/funktion.c
index 777a344..ae310d7 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -133,3 +133,9 @@ double Vlength(float x1, float x2, float x3) {
     result = sqrt(E);
     return result;
 }
+float Vadd(float x1, float z1) {
+    float X1;
+    X1 = x1 + z1;
+    printf("(%f: \n", X1);
+    return X1;
+}
diff --git a/src/funktion.h b/src/funktion.h
index 8cee551..6f0b4e1 100644
--- a/src/funktion.h
+++ b/src/funktion.h
@@ -25,5 +25,6 @@ double grenzGewinn(double p,double q,double tc);
 double GewinnMaximum(double p,double q,double tc,double tr);
 float Vshift(float x1,float s1);
 double Vlength(float x1, float x2, float x3);
+float Vadd(float x1, float z1);
 
 #endif
diff --git a/src/main.c b/src/main.c
index 6bed386..5e16593 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 
 int main()
 {   
-    double a,b,c,d,h,x1,s1,x2,x3;
+    double a,b,c,d,h,x1,s1,x2,x3,z1;
     a = getValue('a');
     b = getValue('b');
     h = getValue('h');
@@ -108,4 +108,10 @@ int main()
     x2 = getValue('X');
     x3 = getValue('X');
     Vlength(x1, x2, x3);
+
+    printf("x eingeben ");
+    x1 = getValue('x');
+    printf("a eingeben");
+    z1 = getValue('z');
+    Vadd(x1,z1);
 }