diff --git a/src/funktion.c b/src/funktion.c
index 32c6721..0efda39 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -123,3 +123,12 @@ float Vshift(float x1, float s1) {
     float result = x1 + s1;
     return result;
 }
+double Vlength(float x1, float x2, float x3) {
+    double X1, X2, X3, E;
+    X1 = x1 * x1;
+    X2 = x2 * x2;
+    X3 = x3 * x3;
+    E = X1 + X2 + X3;
+    printf("Die laenge das Vektors betraegt: %f\n\n", sqrt(E));
+    return sqrt(E);
+}
diff --git a/src/funktion.h b/src/funktion.h
index 182c43c..8cee551 100644
--- a/src/funktion.h
+++ b/src/funktion.h
@@ -24,5 +24,6 @@ double erloesfunktion(double p,double q);
 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);
 
 #endif
diff --git a/src/main.c b/src/main.c
index 4d45e19..86afffd 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,7 +6,7 @@
 
 int main()
 {   
-    double a,b,c,d,h,x1,s1;
+    double a,b,c,d,h,x1,s1,x2,x3;
     a = getValue('a');
     b = getValue('b');
     h = getValue('h');
@@ -103,4 +103,13 @@ int main()
     x1 = getValue('X');
     s1 = getValue('s');
     Vshift(x1,s1);
+
+    printf("Vektor\n");
+    printf("x eingeben");
+    x1 = getValue('X');
+    printf("y eingeben ");
+    x2 = getValue('X');
+    printf("z eingeben");
+    x3 = getValue('X');
+    Vlength(x1, x2, x3);
 }