发明名称 |
History stack |
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 valve is added to the stack, the stack labels are searched to see if there is 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 |
US4843590(A) |
申请公布日期 |
1989.06.27 |
申请号 |
US19860868405 |
申请日期 |
1986.05.29 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
WECHSLER, SUSAN L.;EVETT, ERIC A.;RABY, PAMELA F. |
分类号 |
G06F3/023;G06F3/033;G06F3/048;G06F15/02;G06F15/04 |
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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