专利检索 ap:("ARTHUR L WHITWELL") AND inv:"WHITWELL ARTHUR L" 第 1 页

1.

发明授权
Decimal data-handling equipment 失效
标题翻译：十进制数据处理设备

公开(公告)号：US3594561A

公开(公告)日：1971-07-20

申请号：US3594561D

申请日：1968-11-04

申请人： ARTHUR L WHITWELL

发明人： WHITWELL ARTHUR L

IPC分类号： G06F7/491 , G06F7/50 , G06F7/44

CPC分类号： G06F7/4912 , G06F2207/49195

摘要： An arrangement for adding together two n-digit decimal numbers or subtracting one n-digit decimal number from another comprises 10-condition switch means, the 10 conditions corresponding respectively to digits in the range 0 to 9 to be added or subtracted, and means to determine the need for and to implement the necessary carries.