How to play tetris in HP49G



         1 - press 2D/3D to access PLOT SETUP

         2 - press +/- (the key W) and set Type to Fast3D

         


         3 - type "HpMad" (case sensitive) and press [OK]
         Don't forget the " "

         

         4 - use the numbers 8 for right, 2 for left and 5 for the rotation.