Grammar Expert Plus includes a grammar checker, spelling checker, English grammar reference, thesaurus, and a mini word processor. It can check the grammar and spelling of text in documents, in the Clipboard, and text you enter directly into the program. Once an error has been found, it describes the problem and offers suggestions for improvement.The online book-length English grammar reference includes chapters on sentence structure, parts of speech, punctuation, mechanics of writing, writing style, and frequently confused words.The spelling checker includes 100,000 words. You can add words to personal user dictionaries, and Grammar Expert Plus can read and update user dictionaries created by other applications (such as Microsoft Word). The spelling checker can also auto-correct common misspellings (for example, it can replace "recieve&quot\; with "receive").The thesaurus contains over 77,000 synonyms for over 35,000 key words. Word categories are divided into parts of speech (adjectives, adverbs, singular nouns, plural nouns, and verbs in first-person singular, third-person singular, past tense, and present-participle forms).Grammar Expert can be easily accessed from the System Tray.