Understand
Understand why your answer is right or wrong
Alex, your AI tutor, explains your answer to a practice question and teaches the underlying concept. Alex uses official documentation and provides source references. Ask follow-up questions until you understand.
Working with Alex
Answer explanations, concepts and official sources
- Learn why your answer is right or wrong. Ask Alex to explain your answer to a practice question. The explanation helps you understand what you got right and where you misunderstood something.
- Learn the underlying concept. Alex explains the concept behind the answer. Ask “How does that work?” or “Can you give me an example?” to work through anything you find unclear.
- Explore the official sources. Alex uses official documentation and provides source references you can open to read more. Ask follow-up questions about what you read in English, German, French, Spanish or Portuguese. How our questions are made →
FAQ
Frequently asked questions
How can Alex help me understand an answer?
Alex explains why your answer to a practice question is right or wrong and teaches the underlying concept. You can ask for examples, simpler explanations or more detail until you understand.
How can I check an explanation?
Alex uses official documentation and provides source references. Open a reference to read the official explanation, compare it with what you have learned and ask Alex about anything that remains unclear.
Can I ask in my own language?
Alex supports English, German, French, Spanish and Portuguese. Ask your follow-ups in whichever of these languages you prefer.
Is Alex included in the free session?
Yes. You can use Alex during your first free practice session to discuss answers and ask follow-ups. No card is required.
Understand your next practice answer with Alex
Try Alex in your first free practice session. Learn why your answer is right or wrong and ask about the concept behind it. No card required.
Start practicing free