LetterWise

Encyclopedia : L : LE : LET : LetterWise

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LetterWise is the simplest possible text entry system for keypads on handheld devices such as mobile phones. It is even simpler to use than multi-tap. The users manual is one sentence: "Hit the key with the letter you want, if it doesn't come up, hit Next until it does."

Unlike multi-tap, LetterWise does not require a timeout or timeout kill, and requires about 1/2 as many keystrokes as multi-tap. It is billed as a predictive text for people who dislike predictive text.

LetterWise is a trademark of Eatoni Ergonomics, Inc., and is covered by various international patents.

Scientific studies

Various scientific studies have been conducted on LetterWise:

• [LetterWise: Prefix-based Disambiguation for Mobile Text Input]
• [A Comparison of Consecutive and Concurrent Input Text Entry Techniques for Mobile Phones] (PDF)
• [Research - Eatoni]

See also

• T9 (predictive text)
• iTap

External links

• [Eatoni] Official website

 

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