Operaturl

It is an educational app for learning tables. Here are its main features:
Table selection
User can select one or more tables
Check boxes allow you to choose the tables (from 0 to 20).
Interactive quiz
The user must answer randomly generated questions
Each question is formulated in the form "A + B =?" or "A - B =?" or “A x B =?” or “A/B=?” with several answer choices.
The quiz records the number of correct and incorrect answers and limits it to 50 questions.
A stopwatch measures the time spent on the quiz.
Results and feedback
At the end of the quiz, the screen displays the user's performance (correct/incorrect answers and elapsed time).
The time is displayed in color (green, yellow or red depending on the speed).
Language customization
The application supports several languages ​​(French, English, Spanish)
The language is saved and applied to the entire application.
Optimized user experience
Full screen mode
Stylized buttons and animations (e.g. zoom effect, colored feedback on answers).
Text-to-Speech support (speech synthesis to read questions).
Ability to zoom in on text via buttons or touch gestures.