diff --git a/matlab/dAUIS.m b/matlab/dAUIS.m
index e0aa5f2..df09363 100644
--- a/matlab/dAUIS.m
+++ b/matlab/dAUIS.m
@@ -1,15 +1,17 @@
 #determineArduinoUnoInterruptSettings.m 
-function [p] = dAUIS.m(f)
-  prescaler = [1,8,64,256,1024]
+function dAUIS(f)
+  prescaler = [1,8,64,256,1024];
   for i=1:5
     cmr = (16000000/prescaler(i)*f) - 1;
     display("prescaler: ");
     display(prescaler(i));
     if cmr < 256
       display("8 bit");
-    endif
-    if cmr > 255 && cmr < 65536 
+    elseif cmr < 65536 
       display("16 bit");
+    else 
+      display("none available");
     endif
+    display("");
   endfor
 endfunction