Compact electronic calculator capable of displaying matrix eleme

Details Compact electronic calculator capable of displaying matrix eleme Compact electronic calculator capable of displaying matrix eleme

1990-12-18

1992-07-14

Nguyen, Long T.

Boots, shoes, and leggings

G06F 300

Patent

active

051309394

ABSTRACT:
A compact electronic calculator to execute a determinant calculation, includes a first display section for displaying a value of a matrix element and a second display section for displaying a plurality of matrix elements. The matrix elements displayed on the second display section may be changed within a range of a matrix size. Numeral data may be inputted to memory portions of a storage unit for storing matrix data, which corresponds to the matrix element, by selecting one of the displayed matrix elements.

REFERENCES:
patent: 4821228 (1989-04-01), Wickes et al.

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