QWERTY called "US-International layout" is, in fact, OS-dependent. There exist other layouts that try to overcome this shortcoming. One popular is EurKEY which is available for Windows, OS X and Linux. A dead key is not used, like a grave accent (`) on a QWERTY keyboard, although some people use a dead key. Depending on the operating system and sometimes the application program being used, there are many ways to generate Latin characters with accents independently of the layout in use. Minor changes to the arrangement are made for other languages. There are a large number of different keyboard layouts used
QWERTY through the key. On Macintosh computers, the "Norwegian" and "Norwegian extended" keyboard layouts have a slightly different placement for some of the symbols obtained with the help of the or keys. Notably, the "$" sign is accessed with and "¢" with . Furthermore, the frequently used "@" is placed between and . Most typewriters use a QWERTZ keyboard with Polish letters (with diacritical marks) accessed directly (officially approved as "Typist's keyboard", , Polish Standard PN-87), which is mainly ignored in Poland as impractical (except custom-made, e.g., in public sector and some Apple computers); the "Polish programmer's" () layout has become