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For maximum speed and efficiency, the most common letters and bigrams should be typed on the home row, where the fingers rest, and under the strongest fingers (Thus, about 70% of letter keyboard strokes on Dvorak are done on the home row and only 22% and 8% on the top and bottom rows respectively).

On a Dvorak keyboard, vowels and the most used symbol characters are on the left (with the vowels on the home row), while the most used consonants are on the right.

Letters should be typed by alternating between hands (which makes typing more rhythmic, increases speed, reduces error, and reduces fatigue).

About 16% of typing is done on the lower row, 52% on the top row and only 32% on the home row.Īugust Dvorak studied letter frequencies and the physiology of the hand and created a new layout to alleviate the above problems, based on the following principles:.

Most typing is done with the left hand, which for most people is not the dominant hand.

Many common letter combinations are typed with one hand while the other sits idle (e.g.

Many common letter combinations require a finger to jump over the home row.

Some common letter combinations are typed with the same finger.

Many common letter combinations require awkward finger motions.

These variations have been collectively or individually termed the Dvorak Simplified Keyboard, the American Simplified Keyboard or simply the Simplified Keyboard, but they all have come to be known commonly as the Dvorak keyboard or Dvorak layout.ĭvorak was designed with the belief that it would significantly increase typing speeds with respect to the QWERTY layout by alleviating some of its perceived shortcomings, such as: Several modifications were designed by the team directed by Dvorak or by ANSI.

The layout can be chosen for use with any hardware keyboard, regardless of printed characters on the keyboard. However, most major modern operating systems (such as Windows, macOS, Linux, iOS, Android, ChromeOS, and BSD) allow a user to switch to the Dvorak layout. ĭvorak has failed to replace QWERTY as the most common keyboard layout, with the most pointed-to reasons being that QWERTY was popularized 60 years prior to Dvorak's creation, and that Dvorak's advantages are debated and relatively small. Dvorak proponents claim that it requires less finger motion and as a result reduces errors, increases typing speed, reduces repetitive strain injuries, or is simply more comfortable than QWERTY. Dvorak / ˈ d v ɔːr æ k/ ( listen) is a keyboard layout for English patented in 1936 by August Dvorak and his brother-in-law, William Dealey, as a faster and more ergonomic alternative to the QWERTY layout (the de facto standard keyboard layout).