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The graphs on the left illustrate typical new user typing speeds and improvement rates on four keypad layouts:

          Delta II keypad.

          Alphabetically ordered, 26+ button keypad. (e.g. Fastap *)

         T9 * enhanced cell phone keypad.

          Standard 12-button cell phone keypad using multi-tap.

Users were timed while they typed "the quick brown fox jumps over the lazy dog", six times into four keypad simulators.

These times were converted to words-per-minute (WPM) and graphed by trials #1 - #6.

The test subjects were average typists with essentially no text-entry experience on any of the four keypad types except for S. Bogdan, who had previous experience with multi-tap.

The results presented here are typical and consistent with those of other users tested.

Kludge: a clumsy or inelegant solution to a problem.        


* some names above are trademarks of their respective companies.


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  Delta II ™       people type faster on it

Patented & Patent Pending     Chicago Logic Incorporated     deltaii@chicagologic.com