just answer question. !!WARNING!! ========================================== There are quite hard division questions because it just divides the two numbers together for a normal number or a decimal. look at bottom of this for extra information ========================================== !!WARNING!! You unlock timed mode if you get all 100 questions correct in normal mode. if you don't know password just click enter with nothing or something typed in. click 'S' to set what math symbols you want to have: 1.+ 2.+, - 3.+, -, * 4.+, -, *, /