articles is a free paper proofreading service. You can paste any paper into the website, and it will correct any punctuation or basic writing errors you may have made. More » Education

Interactive learning sites for kids include and hosts interactive activities for kids in a broad range of subjects such as math, English, typing, art, holidays and science. Each catego... More » Technology Internet & Networking

There are numerous free online punctuation checkers available, some of which include,, and These free online punctuation checkers evaluate a piece of text for s... More » Education Writing
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The key elements that make a sentence grammatically correct are its completeness, proper punctuation, agreement between subject and verb, agreement between pronouns and their referents, and correct use of verb form. Two ... More » Education Writing

The EM dash (—) is a punctuation mark that is used is the place of commas, parentheses or colons. The EM dash is sometimes confused with the EN dash (–) or the hyphen (-), but it serves a separate purpose. More » Education

The Chicago Manual of Style and the Associated Press Stylebook are good books that explain punctuation use, according to National Punctuation Day. The Elements of Style is another trustworthy resource. More » Education

For proper punctuation, "The Chicago Manual of Style" and the Modern Language Association direct writers to set the title of a book in italics. This rule applies to book titles within essays or lists of works cited. Abou... More » Education