Deschamps et al.
2006
Synthesis of arithmetic circuits: FPGA, ASIC and embedded systems
US5974000A
(en )
1999-10-26
Tactile actuated electronic computer wrist watch
GB1403709A
(en )
1975-08-28
Calculators
EP0365305A3
(en )
1991-07-24
Data processing device
GB497462A
(https= )
Justus
2002
Language and the Rise of a Base for Counting
Shenton et al.
1971
Sampling moments of moments associated with univariate distributions
GB450591A
(https= )
GB1192240A
(en )
1970-05-20
An Electronic Calculator.
GB665838A
(en )
1952-01-30
Improvements in key controlled machines with record punching and printing means
GB681036A
(https= )
US20020173335A1
(en )
2002-11-21
Input system
GB1199148A
(en )
1970-07-15
Data Capture
CN201322907Y
(zh )
2009-10-07
笔记本电脑键盘
GB1079594A
(en )
1967-08-16
Improvements in or relating top fluid pressure operated calculating machines
GB335213A
(https= )
GB166488A
(https= )
KR790001246B1
(ko )
1979-09-17
전자 계산기를 겸용할 수 있는 전자식 판매기록기
JPS55154656A
(en )
1980-12-02
Electronic cash register
JPS5736359A
(en )
1982-02-27
Electronic cash register
GB191505953A
(en )
1916-01-20
Improvements in or relating to Calculating Machines.
JPH0455692U
(https= )
1992-05-13
KR900000456B1
(ko )
1990-01-30
전자식 금전등록기의 프린팅 제어방법
JPS55127660A
(en )
1980-10-02
Key input system of electronic cash register
US1474533A
(en )
1923-11-20
Decimal-point calculator