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US 4,546,448 AGranted
Programmable calculator including program variable initialization means and definition means array
AssigneeHewlett-Packard Company
InventorsRichard M. Spangler, Eugene V. Burmeister, Frank E. Cada, Chris J. Christopher, Wayne F. Covington, Myles A. Judd, Freddie W. Wenninger, Robert E. Watson, Kent W. Simcoe
Life of this patent
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Abstract
A programmable calculator utilizes an initialization key for setting all program variables, including array variables that are stored as part of a program in the calculator memory, to a predetermined initial value.
Claims3
Computing apparatus comprising:
- keyboard input means for enabling a user to enter lines of alphameric characters, including program variables, into said computing apparatus, said keyboard input means including initialization key means;
- memory means, coupled to said keyboard input means, for storing a program of lines of alphameric characters, including said program variables, entered into said computing apparatus and including means for storing a value associated with each said stored program variable;
- logic means, coupled to said keyboard input means and memory means, for setting all of the program variables of the program stored in said memory means to said predetermined initial values in response to actuation of said initialization key means;
- and
- processing means, coupled to said keyboard input means and said memory means, for executing the program stored in said memory means.
2 more elements
Dependencies are inferred from the claim text.