Calculator keyboard with user definable function keys and with p

Details Calculator keyboard with user definable function keys and with p Calculator keyboard with user definable function keys and with p

1986-05-30

1989-04-18

Zache, Raulfe B.

Boots, shoes, and leggings

36470914, 36471014, 340712, 341 23, G06F 302

Patent

active

048233110

ABSTRACT:
Calculator having a keyboard in which one or more keys have labels created by a display and subject to changing interactively as the user desires. Typically, advanced scientific-programmable calculators may have too many functions to be adequately included on the keys of the keyboard associated therewith. In such calculators, certain functions require a plurality of keys to be actuated in order to be performed. Thus, such keyboards tend to be cluttered an confusing to the user. Thus, a keyboard is proposed having a small number of keys labeled with different functional labels as the user proceeds through a menu or tree structure containing all the desired functions. Keys in a certain group of keys on the keyboard are thereby subject to redefinition or relabeling so as to provide a variety of functions.

REFERENCES:
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patent: 4481598 (1984-11-01), Ishiwata
patent: 4647911 (1987-03-01), Maegawa et al.
patent: 4667299 (1987-05-01), Dunn
patent: 4680729 (1987-07-01), Steinhart

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