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Look up English words with native pronunciation and detailed definitions. Search using advanced functions. Access integrated and English dictionaries. View word meanings, examples, and parts of speech. Save favorite entries for quick reference.
Learn to name compounds with interactive lessons on alkanes, cycloalkanes, alcohols, aromatics, and ketones. Complete quizzes after each lesson to test comprehension and reinforce learning.
The app provides laboratory professionals with fast concentration calculations. It handles complex math for preparing solutions from stock data, offering precise preparation instructions instantly.
Explore chemical elements with detailed information and atom structure simulations. Conduct virtual chemistry experiments. Filter and search elements quickly. Download PDFs for each element. Access presentation galleries and movie clips.
Build and view molecules in 3D. Visualize orbitals and symmetry elements. Look up chemical information and properties from external databases. Access computational chemistry programs. Perform molecular modeling and analysis.
Solve problems by scanning or typing questions. Get instant answers with detailed explanations. Access periodic table and formulas. Track progress and review solutions. Share answers with classmates.
Look up synonyms and antonyms with alphabetical listings. Find word comparisons and examples. Access grammatical information and related terms. Search for precise vocabulary alternatives.
Study with topic-based notes, structured lessons, and multiple-choice questions. Test understanding with quizzes and review key concepts for AP exams. Track progress and access explanations for incorrect answers.
Explore chemical elements with an interactive table featuring 3D models and offline access. Calculate molar mass and solve reactions. Instantly access explanations and customize the table for personalized learning.
Learn music with animated on staff notation, clefs, note and rest durations, time signatures, and interval identification. Track scale degrees, key signatures, and interval inversions.