Main Page | See live article | Alphabetical index Mixed case is the standard usage of upper case and lower case letters. Languages written in the Roman alphabet, Cyrillic alphabet and some others use upper case letters to help the eye detect important words, such as proper nouns, or the first word in a sentence. Note: writing titles or sentences in ALL CAPS seems childish to some, and in on-line communications seems LIKE SHOUTING, so it's generally discouraged This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.