Boots – shoes – and leggings
Patent
1980-04-11
1982-06-08
Smith, Jerry
Boots, shoes, and leggings
364709, G06F 1502, G06F 314
Patent
active
043342795
ABSTRACT:
A display circuit adapted for use in an electronic calculator comprises a circuit for enabling communication between the calculator and the operator to inquire as to the value of one or more variables and a circuit for pointing out the kind of a variable which is presently subject to inquiry and input data items entered by the operator. In another form of the present invention, the display circuit comprises a circuit for detecting a space or separable portion between two algebraic expressions, a circuit for terminating the indication just before the position of the space, and a circuit for subsequently initiating indications of items following the space from the top digit of a display. In a further preferred form of the present invention, the display circuit comprises a circuit for detecting a separation mark between two equations, a counter for counting the serial number of the separation mark, a circuit for showing the serial number of the separation mark in addition to the results of the calculation obtained by one of the equations.
REFERENCES:
patent: 3976975 (1976-08-01), Cochran
patent: 3979057 (1976-09-01), Katz et al.
patent: 3979058 (1976-09-01), Katz et al.
patent: 4152769 (1979-05-01), Olander, Jr. et al.
patent: 4172285 (1979-10-01), Yoshida et al.
Maekawa Koji
Miyakoshi Kazumitsu
Sharp Kabushiki Kaisha
Smith Jerry
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