![]() ![]() History Īugust Dvorak was an educational psychologist and professor of education at the University of Washington in Seattle. The original ANSI Dvorak layout was available as a factory-supplied option on the original IBM Selectric typewriter. The American National Standards Institute (ANSI) designated the Dvorak keyboard as an alternative standard keyboard layout in 1982 (INCITS 207-1991 R2007 previously X4.22-1983, X3.207:1991), "Alternate Keyboard Arrangement for Alphanumeric Machines". The layout was completed in 1932 and granted U.S. However, the Dvorak principles have been applied to the design of keyboards for other languages, though the primary keyboards used by most countries are based on the QWERTY design. For non-English use, these differences lessen the alleged advantages of the original Dvorak keyboard. Also, many languages have letters that do not occur in English. For other European languages, letter frequencies, letter sequences, and bigrams differ from those of English. The Dvorak layout is intended for the English language. This motion on a keyboard is called inboard stroke flow. An observation of this principle is that, for many people, when tapping fingers on a table, it is easier going from little finger to index than vice versa.
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