The start screen, when you
are ready press either ‘START’ button and be ready. The time runs out
quickly, so enter the answer and click ‘SUBMIT’ as soon as you can.
Use the number pad to enter
the number you calculate as the answer.
Either ‘minus’ key will
toggle the sign of the number and can be used before or after entering the
If you prefer to enter the
number right to left use the ‘L ß
‘Del’ will delete the last
‘Clear’ will clear the whole
Score is calculated at the
end of every successful level, and the quicker you enter the answer, the
higher the score will be.
Using the ‘Del’ and ‘Clear’
keys reduce your score.