发明名称 |
HEXADECIMAL/DECIMAL CALCULATOR |
摘要 |
A calculating device comprising a base member, a plurality of graduated scales arranged on the base member, and indicator means cooperating with the scales for performing a variety of calculations. The scales are graduated in hexadecimal base numbers and decimal base numbers for use in making conventional arithmetic and algebraic operations in both hexadecimal and decimal bases and for converting between these bases.
|
申请公布号 |
US3654438(A) |
申请公布日期 |
1972.04.04 |
申请号 |
USD3654438 |
申请日期 |
1969.07.09 |
申请人 |
SCIENCE SPECTRUM |
发明人 |
PHILIP J. WYATT;ALBERT S. TRUNDLE;JUDITH B. BRUCKNER |
分类号 |
G06G1/00;(IPC1-7):G06G1/02 |
主分类号 |
G06G1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|