The best app to review your math. A set of sheets covering the entire program of all scientific prpas (MPSI, etc.) and commercial (ECE ECS) and the undergraduate (L1, L2 and L3). A simple and practical navigation. Examples, explanations, drawings, examples-cons. Essentials reminders, best practices and many other things. Keep on hand the most important cards with your bookmarks. Find a wink formulas than other students preferred. Review your chapter point or a group of chapters at a time. "Review your math in a flash! " Terms of use : The application includes a 10 day trial period. After this period, the application remains functional but you can only see a limited number of sheets every day. The premium version subscription is offered to those wishing to see the unlimited Sheets (automatically renewed every year but can be stopped at any time).