Scientific calculator

Details Scientific calculator Scientific calculator

1993-04-27

1994-12-06

Envall, Jr., Roy N.

Boots, shoes, and leggings

364706, 36470915, 36471505, G06F 300, G06F 700, G06F 1502

Patent

active

053716949

ABSTRACT:
A scientific calculator includes a conversion table memory for storing as a conversion table a combination of each kind of conversion equation and a selection number, a key board providing numeric keys and a specific key, a numeric value memory for storing the entered numeric values, a mode setting section for setting the current mode to a conversion mode, a designating section for designating the selection number during conversion mode, reading section for reading from the conversion table the conversion equation corresponding to the designated selection number, a conversion section for converting the numeric value stored in the numeric value memory from one unit to another on the basis of the read conversion equation, and a display section for displaying the converted numeric value.

REFERENCES:
patent: 4099246 (1978-06-01), Osborne et al.
patent: 4481598 (1984-11-01), Ishiwata
patent: 4686643 (1987-08-01), Ishiwata
patent: 5101368 (1992-03-01), Kaplan
patent: 5216627 (1993-06-01), McClellan et al.

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