Calculate geometric areas by entering parameters. Solve triangle side and angle problems with any three inputs. Convert units between millimeters, centimeters, meters, and kilometers. Use a dedicated numeric keypad for efficient input.
Learn English through original materials like news articles, poems, and books. Practice listening and speaking with native speaker audio. Access structured courses for conversation, reading, and writing.
Learn poems, study translations, and explore classics
Learn and review classical Chinese poetry with synchronized textbook integration. Access over 300,000 poems across various genres. Add favorites during memorization for automatic syncing.
Create professional ID photos with automatic background removal and color replacement. Adjust skin tone and detect clothing. Generate 1-inch, 2-inch, 5-inch, and 6-inch sizes with nine premium backgrounds.
