Math Aptitude Lite funktioniert nicht

Jump to any question from question picker. - Score card, along with its graphical view, helps review your performance. - Examples are provided for each topic and short-cuts. - Instant validation of Practice questions and examples.  - Check out its great features before you pay (in-app purchase) to unlock 1400+ more questions. - Practice questions and examples by topics with step-by-step solution. - Fundamentals, Tips and Formula listing for each topic. - Facility to group questions.  Question groups can be 'Tricky questions', 'Tough questions' etc. - Ability to pause/save quiz to resume at a later time. - Ability to save finished quiz and scorecard for later review. - Summary gives you a birds-eye view of all questions.  The owner can make changes or modifications including deletions to the contents, the product and software given here at any time without notice.  There may be a possibility of some bugs, inaccuracies or typographical errors for which the owner cannot be held liable.