Search for words across multiple dictionaries including Urban , .com, and Oxford . View definitions, synonyms, and etymology. Track vocabulary progress with preloaded word lists for SAT, GRE, and TOEIC. Save search history and review word details.
Play and listen to the . Read and learn the lyrics. Color the mouse and share creations via Twitter, Facebook, or email. Use 'Learn Lyrics' mode for reading comprehension. Practice time with a clock mode and connect dots to learn numbers.
23 provides translations between and 20 other languages. Users can search for words, view definitions, and switch between languages. Supports text input and offers pronunciation guides.
Offers a challenging on , life, and era. Users can answer questions with hints provided. The includes texts of plays, sonnets, and poems for reading and study.
Practice sight-singing and instrumental reading with guide vocals and piano accompaniment. Access over 290 melodies, including 140 solfeggi by Nikolay Ladukhin and famous pieces by Bach, Mozart, Beethoven, Fauré, and Debussy.
Learn medical information through with over 1900 memorization tools. Search for specific topics, save favorites, and review flashcards. Organize content by subject and track progress over time. Share with peers for collaborative study.
Explore augmented reality artwork featuring 3D paintings that bring a 200-year-old illustrated 'Shahnama' book to life. View interactive elements that guide users through the narrative. Access historical context and artist insights within the .