Keyboard layout are named after the first several letters that take over the 'QWERTY' row on the Latin keyboard. They differ by where a few of the letters are placed. For example, some have Cyrillic 'B' (which is pronounced 'V') on the Latin 'W' key (after the German transliteration of B), while others have it on the Latin 'V' key. The images of AATSEEL "Student", YaZhERT (яжерт) and YaWERT (яверт) are shown on this page. There are also variations within these variations; for example the Mac OS X Phonetic Russian layout is YaShERT but differs in placement of ж and э. Windows
PLUM keyboard non-letter characters. The extra Function keys F13, F14, and F15 map to Print Screen, Scroll Lock, and the Pause/Break key respectively, although no Scroll Lock light exists. There are also six blank keys surrounding the Arrow keys, which do nothing. It is debatable whether this layout reduces repetitive strain injury, but the general consensus is that while it might prolong it slightly, the QWERTY keyboard might simply aggravate pains without causing the disease, and studies have shown that typists are not any more likely to develop RSI than normal people. Users of PLUM keyboards, however have claimed that after switching