Test knowledge of HTML, CSS, JavaScript, PHP, Java, Python, and C++ with randomized multiple-choice and multi-answer questions. View final score and receive hints for incorrect answers to identify mistakes.
Access tutorials, practice problems, and articles on Data Structures and Algorithms, Web Development, and technical interview preparation. Track progress with practice exercises and detailed explanations.
Access and practice interview questions covering Java, concurrency, Redis, Spring, and more. Solve problems in areas like backend development, frontend frameworks, mobile technologies, and computer fundamentals.
Practice Japanese kanji with writing and reading exercises. Access 10,546 questions across six levels. Test knowledge with 5-question sets and 10-question exams. View detailed kanji information including radicals and compounds.
Shanghai Yuanqu Information Technology Company Limited
Learn拼音 through games and stories
Teaches children to read and write pinyin through interactive stories, games, and exercises. Includes 30 pinyin stories, 32 detailed lessons, and 36 games for targeted practice.
Teaches Persian alphabet through interactive games and activities. Children learn letter shapes, sounds, and order. Includes two forms of each letter and multiple engaging games for practice.
Scan and translate images, photos, and speech into text. Perform OCR to extract text from images. Translate text between languages. Export results as TXT or PDF. Read translations aloud.
Save content from apps and websites to a personal library for organization and long-term storage. Edit and create content with a simple editor, earn rewards for original posts. Access shared articles, e-books, and audio books.
& Web Development allows users to study HTML, CSS, and fundamentals. They can progress to advanced topics like React and modern web development. The enables coding practice, project building, and skill tracking.
Books in English, including classics, EPUB files, web pages, and text documents. Translate words, phrases, and sentences using built-in dictionaries and online tools. Learn vocabulary flashcards, track progress, and highlight text for notes.
Access IT tutorials and courses on YouTube. Search for specific topics like .NET, Java, and HTML. Save favorite videos for later viewing. Navigate through paginated content for smoother browsing. View updated design for improved usability.