发明名称 |
CALCULATING DEVICE CAPABLE OF DISPLAYING HISTORY STACK VALUES |
摘要 |
A calculating device is presented which displays a stack containing values most recently calculated and utilized, in accordance with the preferred embodiment of the present invention. The calculating device also displays a label for each value. When a new value is added to the stack, the stack labels are searched to see if there a value on the stack having the same label. If so the duplicate value and its label are removed from the stack. |
申请公布号 |
EP0251454(A3) |
申请公布日期 |
1989.04.26 |
申请号 |
EP19870304074 |
申请日期 |
1987.05.07 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
WECHSLER, SUSAN L.;RABY, PAMELA F.;EVETT, ERIC A. |
分类号 |
G06F3/023;G06F3/033;G06F3/048;G06F15/02;G06F15/04;(IPC1-7):G06F3/023 |
主分类号 |
G06F3/023 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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