DESK ADDITION, SUBTRACTION, MULTIPLICATION, DIVISION COMPUTER WHICH CAN EASILY CHECK ACCOUNTS AND CAN STEADILY EXECUTE CALCULATION WORK

PROBLEM TO BE SOLVED: To recognize the occurrence of the fear of erroneous input when it occurs, to correct it and to restore a system to original calculation by storing an inputted numerical value and an operator to an input history storage memory for every input item, freely displaying them with o...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SHIBAZAKI HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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