Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up words with detailed explanations
Reference "Search words, phrases, and idioms across 13 authoritative dictionaries. Access ancient Chinese, poetry, and grammar explanations. Listen to standard pronunciations and view animated stroke orders.
Access and view sheet music for guitar and ukulele. Adjust scale and display for different screen sizes. Cache sheet music for offline use. Simplify chord notation for beginners. Change key to suit personal playing needs.
Create and customize exams with AI or manual methods, select by subject, chapter, or knowledge point. Include detailed answers, explanations, and tags. Access specialized topics for focused review.
Solve math, English, Chinese, physics, chemistry, biology, history, and politics problems with detailed step-by-step explanations. Look up English words with translations and examples.
Provides personalized learning content and smart planning for students grades 1-9 in Chinese, math, physics, and English. Features interactive animated videos, AI-driven practice, real-time progress tracking, and smart error analysis.
Learn subjects like Chinese, math, and English with content aligned to national textbooks. Access 20,000+ animated videos and practice tools for pre-study, review, and exercises.
Access textbook content and audio explanations for key lessons. Include lesson extensions to enhance understanding. Features listening, speaking, reading, and writing tools. Supports learning anytime and aids parental supervision.
Learn vocabulary through match-3 gameplay and word puzzles. Swipe left for unknown words, right for known ones. Automatically add unknowns to a flashcard list. Sync with multiple languages and subjects.
Learn vocabulary through encoded memory techniques, visual associations, and humorous illustrations. Track progress with T-Repetition algorithm based on forgetting curve. Explore word roots and prefixes for deeper understanding.
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.
Offer a wide range of educational content for children aged 0-12, including stories, songs, and courses. Users can access classic fairy tales, folk stories, and original content like "Boy Superpower Team" and "Penguin Sound Education.
Shanghai Xiaoshen Education Technology Group Co., Ltd
Practice GMAT questions and track progress
Study for GMAT with adaptive mock exams, real-time feedback, and access to OG, Prep, GWD, and Manhattan question banks. Practice vocabulary, solve math and logic problems, and review detailed explanations.
Learn vocabulary with detailed entries including translations, word forms, examples, synonyms, antonyms, definitions, and phrases. Practice pronunciation with native speaker audio and record your own for comparison.