In today’s computing world, there are a lot of special symbols and characters in use that just cannot fit onto a standard keyboard. Even as a hardware reviewer, I find myself consistently using the degree, one-half, one-quarter, copyright, and registered symbols on a regular basis. Many others have to use accented characters, such as when writing your résumé) on occasion, even if you are not writing in Spanish or some other language. There are even scientific symbols that one might use, especially if you are a student.
You don’t need to hunt down these characters in your control panel’s Character Map, use a special GUI control or copy and paste them from a web page… you can do it right from your keyboard, without a mouse and you can literally do it blindfolded. All of the special characters in existance are right there in your keyboard, all thanks to the ASCII standard.
Read more at OCModShop.