| Your Goal | Action in PDF | |-----------|----------------| | Learn a new technique | Search for that theorem name (e.g., “Jensen’s”) and see its application examples. | | Practice weak area | Jump to the relevant chapter (e.g., Number Theory → Diophantine eqns). | | Simulate contest | Pick 3–4 problems from different sections, set 90 minutes, no hints. | | Quick review | Use the or Glossary (if present). |