Merriam Webster's Dictionary & Thesaurus with Spell Correction. Advanced Reference System for expert writing, learning, and spelling. Includes 7 books with additional features. Merriam-Webster's Dictionary with over 400,000 definitions, Thesaurus with 500,000 synonyms & antonyms, Geographical Dictionary, Biographical Dictionary, Merriam-Webster's Guide to punctuation & style, interactive Grammar guide includes quizzes, patented phonetic spell correction, 5-Language translator (English, Spanish, French, German, and Italian). SAT and User word lists, 4 learning exercises and 9 games, crossword puzzle solver to determine missing puzzle letters. Organizer includes local/world clock, personal databank, calculator, and currency/metric converters.