diff --git a/src/inputHandling.c b/src/inputHandling.c
index 4f081b3..4d4c736 100644
--- a/src/inputHandling.c
+++ b/src/inputHandling.c
@@ -71,4 +71,5 @@ void getnumbers(char* data, int length, calc_op* structure_ref){ //input sind: s
         i++;
         token = strtok(NULL, "+"); //Sucht von der letzten Plus-Stelle an weiter
     }
+    structure_ref->arraylength=i; //Länge des Arrays (also zu berechnende Zahlen) gespeichert
 }
\ No newline at end of file
diff --git a/src/inputHandling.h b/src/inputHandling.h
index 2127896..a2d8614 100644
--- a/src/inputHandling.h
+++ b/src/inputHandling.h
@@ -9,6 +9,7 @@ typedef struct {
 op funktionstyp;
 char* formel;
 double array[10];
+int arraylength;
 void* child;
 double result;
 }calc_op;