发明名称 DOUBLE-WINDOW ELECTRONIC CALCULATOR
摘要 PURPOSE:To eliminate a memo area out of an electronic calculator by providing plural strings of display columns for the display of registration or calculation results. CONSTITUTION:Plural display columns 1 are provided to an electronic calculator for the display of numeric values. The operation keys such as memory keys 2, clear keys 3, call keys as necessary, etc., are provided in response to those columns 1. The result of calculation carried out with the depression of keys 2 is displayed on the corresponding column 1. Thus those results of calculation can be quickly compared with each other on the calculator.
申请公布号 JPS62226262(A) 申请公布日期 1987.10.05
申请号 JP19860067370 申请日期 1986.03.27
申请人 ITO MASASUKE 发明人 ITO MASASUKE
分类号 G06F15/02 主分类号 G06F15/02
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