Parenthesis addiction is a rare but serious disease affecting approximately one out of every 20 writers I edit. Its painful side effects include lost readers and seething rage at the unseen editor who ...

Punctuation marks are the flesh and bones of every modern written language. Sometimes, missing out a comma can completely change the meaning of a sentence (for example, “Let’s eat Grandpa!” means ...

Formulas in Microsoft Excel can contain a wide range of symbols, such as the asterisk (*), the question mark (?), and the "at" (@) sign. Among the most important are parentheses, square brackets, and ...