JUNIOR/INTERMEDIATE MATHEMATICS MERLIN'S MATH Episodes 1 & 2 of the Merlin's Math series teach multiplication of multiple digit numbers, up to 5 by 5 digits, and long division. Starting as an apprentice magician, the student gains in power by solving math problems of increasing difficulty. EXIT: Press the 'Esc' key to return to the Main Menu. Press the 'Esc' key again to leave the program.