This advanced reference system is a comprehensive all-in-one learning tool that comes with The Merriam-Webster Dictionary biographical and geographical entries from Merriam-Webster's Collegiate Dictionary Merriam-Webster's Guide to Punctuation and Style and a complete thesaurus containing 500 000 synonyms and antonyms. Expand your knowledge with a Grammar Guide a five-language translator word games and other mentally stimulating activities. Reference Type: Dictionary; Thesaurus; Display: Eight-line display; Display Type(s): LCD; Display Characters x Display Lines: 25 x 8.