Really CooOool ^_^ Thanks really for this program , it's soo helpfull , it's suitable for all ages , everyone you SHOULD download it, just a note:"ignore all bad comments".
Great It gives all wrong answer but not an extra option that says none of the above, please fix this it has tendency to discourage.
Awsome usually I suck at math but this really helped me to improve my knowledge you should really get this app it's awesome!!!!!
trying doing it now :D