: Add a "Hint" button that reveals only the first step or the key theorem needed (e.g., the Theorem of Three Perpendiculars or Pythagorean Theorem ) before showing the full solution.

The textbook is designed for both .

Many problems in the 10-11 grade textbook are foundational for the Russian State Exam (EGE).

: Clicking "Scalar product of vectors" would open a mini-card with the definition and properties, saving the user from flipping through their textbook. 4. Exam (EGE) Alignment Tags