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13. 发明专利

JPH0877112A ELECTRONIC CALCULATOR WITH VERIFYING FUNCTION 失效
公开(公告)号：JPH0877112A
公开(公告)日：1996-03-22
申请号：JP15402595
申请日：1995-05-29
申请人： YAMAMOTO MITSURU
发明人： YAMAMOTO MITSURU
IPC分类号： G06F15/02
摘要： PURPOSE: To provide the electronic calculator with verifying function capable of sure and easy verification. CONSTITUTION: This electronic calculator 10 is provided with at least input operation keys, a calculation processing means, a display screen, and a display control means and includes a storage key 12 for key depression operation to store the numeric value displayed on the display screen 11 and a storage part to storage the numeric value displayed on the display screen 11 and is provided with a storage means which stores the numeric value displayed on the display screen 11 in the storage part in response to the key depression operation of the storage key 12, a comparison key 13 for key depression operation to discriminate whether the numeric value displayed on the display screen 11 matches with the numeric value stored in the storage part or not, a comparison means which discriminates whether the numeric value displayed on the display screen 11 matches with the numeric value stored in the storage part or not in response to the key depression operation of the comparison key 13, and a marker for recognition of the comparison result.

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