That way you can be sure your readers understand what you're trying to say. Numbers Be all-inclusive. Write out all numbers, then follow with numerals in parenthesis. You do not want to exclude anyone who understands one notation but not the other. Grammar Commas Commas are a sign of weakness.
Good sentences are clear without the use of commas.
Bad sentences use commas as a crutch to help readers limp along. Rewrite any sentence that requires the use of a comma. If all else fails just take the commas out of the sentence without changing anything else. Occasionally sprinkle a few commas into the document at random just to keep the English-major weenies happy. Hyphens There are three different types, but only an English-major weenie can tell them apart.