With interactive lessons covering conversations, vocabulary, and grammar. Watch videos of young Americans. Access printable worksheets, assessments, and lesson plans for self-study or classroom use.
Convert numbers between , , hexadecimal, and octal formats. Input a value and select the target format for conversion. Display results clearly with error handling for invalid entries.
Read and save over 19000 and statuses organized into 400 categories. Access content offline. Copy and share directly. Bookmark to create personal collections. Receive daily "Quote of the day" notifications.
Manage cryptocurrency holdings with wallet access, view price data and market trends, and receive insights. Invite others to join and access secure transaction history and account settings.
Identify and appraise collectibles like coins, comics, trading cards, and vintage toys. Scan items to determine value. Manage collections with organization tools. Access price guides and market data. Compare similar items for valuation.
Catalog Hallmark and Department 56 ornaments by scanning barcodes with the camera. Sync collections across devices. Access ornament price guides and database entries. Manage and organize collections digitally.
Create words from letter tiles in a fast-paced . Connect tiles to form words and earn higher scores with longer combinations. Use the dynamic help view to learn gameplay basics and improve word skills across levels.
Lookup Chinese idioms with detailed explanations, pronunciation, origins, examples, synonyms, and antonyms. Browse by categories like season, mood, or source. Supports offline use with one-time download and advanced search options.
Access daily liturgy with readings, gospels, responsories, and messages. Track saints for each day. Perform multiple prayers and view religious information. Stay updated with daily spiritual content.
Provides detailed information about idioms, including pronunciation, meaning, origin, examples, synonyms, and antonyms. Users can browse idioms by category such as weather, mood, or season.
Learn English through interactive stories and games
Help children learn English through immersive interactive scenes and character-based storytelling. Practice speaking with animated characters and voice recognition. Access scientifically designed language content with native American accents.
Identify bugs and insects using AI-powered image recognition. Learn detailed information about species, including habitat and behavior. Save and organize observations in a personal gallery.
Look up idioms with发音, definitions, origins, and examples. Browse by category such as seasons, emotions, or famous authors. Search with fuzzy or location-based queries. Download content once for offline use.
Take listening, reading, writing, and speaking tests
Take a free covering listening, reading, writing, and speaking sections. Submit answers and receive immediate results. Practice with sample questions and review feedback for each part.