diff --git a/demo/c/hello-C.c b/demo/c/hello-C.c
index ac85376..91fff91 100644
--- a/demo/c/hello-C.c
+++ b/demo/c/hello-C.c
@@ -2,6 +2,7 @@
 #include <unistd.h>
 
 int main(int argc, char **argv) {
+  // Display a friendly message on the RCX screen
   cputc_native_user(CHAR_H, CHAR_E, CHAR_PARALLEL, CHAR_O); // HELLO
   sleep(1);
   cputc_native_user(CHAR_L, CHAR_E, CHAR_G, CHAR_O);        //LEGO
@@ -9,5 +10,16 @@ int main(int argc, char **argv) {
   cls();
   sleep(1);
   
+  // Use different methods and display the same message upside down
+  cputc_hex_4(0x00);
+  cputc_native_3(CHAR_PARALLEL);
+  cputc_hex(0x03, 2);
+  cputc_hex(0x04, 1);
+  sleep(1);
+  cputw(0x0937);
+  sleep(1);
+  cls();
+  sleep(1);
+  
   return 0;
 }
diff --git a/include/conio.h b/include/conio.h
index 49e8094..4b37dc2 100644
--- a/include/conio.h
+++ b/include/conio.h
@@ -232,8 +232,6 @@ extern void cputc_native_3(char mask);
 extern void cputc_native_4(char mask);
 //! write bit-pattern for segments at position 5 of LCD
 extern void cputc_native_5(char mask);
-//! write bit-pattern for segments in positions 4 through 1 of the LCD (the main user portion)
-extern void cputc_native_user(char mask_left, char mask_lcenter, char mask_rcenter, char mask_right);
 
 //! Set/Clear individual segments at specified position of LCD
 /*! (this is essentially a dispatcher for cputc_native_[0-5] functions)
@@ -243,6 +241,10 @@ extern void cputc_native_user(char mask_left, char mask_lcenter, char mask_rcent
  */
 extern void cputc_native(char mask, int pos);
 
+//! write bit-pattern for segments in positions 4 through 1 of the LCD (the main user portion)
+extern void cputc_native_user(char mask_left, char mask_lcenter, char mask_rcenter, char mask_right);
+
+
 //! write HEX digit to position 0 of LCD
 extern inline void cputc_hex_0(unsigned nibble)
 {
@@ -280,7 +282,7 @@ extern inline void cputc_hex_5(unsigned nibble)
  *  \param pos the location at which to display the HEX digit
  *  \return Nothing
  */
-extern inline void cputc_hex(char c, int pos)
+extern inline void cputc_hex(unsigned nibble, int pos)
 {
   cputc_native(get_hex_display_code(nibble), pos);
 }
@@ -288,6 +290,7 @@ extern inline void cputc_hex(char c, int pos)
 //! Write a HEX word to LCD
 extern void cputw(unsigned word);
 
+
 #ifdef CONF_ASCII
 //! write ASCII char to position 0 of LCD
 extern inline void cputc_0(unsigned c)