diff --git a/src/funktion.c b/src/funktion.c
index 8a95af0..8b8624c 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -415,4 +415,11 @@ double Druck(double F, double A)
 double Kraft(double p,double A)
 {
     return p * A;
-}
\ No newline at end of file
+}
+double Flaeche(double F, double p)
+{
+    double A; 
+    A = F / p;
+    printf("Flaeche (A) = %.2lf\n", A);
+    return A;
+}
diff --git a/src/funktion.h b/src/funktion.h
index 9e2b642..ef8bcf1 100644
--- a/src/funktion.h
+++ b/src/funktion.h
@@ -77,5 +77,6 @@ double Eintauchtiefe(double ps,double pfi,double g);
 double Ortsfaktor(double ps,double pfi,double h);
 double Druck(double F, double A);
 double Kraft(double A,double p);
+double Flaeche(double p, double F);
 
 #endif
diff --git a/src/main.c b/src/main.c
index bce5457..d001d85 100644
--- a/src/main.c
+++ b/src/main.c
@@ -353,4 +353,10 @@ int main()
     p=getValue('P');
     A=getValue('A');
     Kraft(p,A);
+
+    printf("Geben Sie die Kraft (F) ein: ");
+    F=getValue('F');
+    printf("Geben Sie den Druck (p) ein: ");
+    p=getValue('P');
+    Flaeche(p,F);
 }