Preferred term
QA75 Calculators
Broader concept
Broader conceptEntry terms
Alternative terms for the concept.- Adding-machines
- Calculating-machines
- Computers, Mechanical
- Desk calculators
- Mathematical machines (Calculators)
- Mechanical computers
Note
Notes- Here are entered works on present-day calculators as well as on calculators and mechanical computers of pre-1945 vintage. Works on modern electronic computers first developed after 1945 are entered under [Computers.]
Example
- Note under [Computers]
Group members
Members of the groupNotation
Code that uniquely identifies a concept within a concept scheme.- HF5541.C3
- QA75
URI
http://www.yso.fi/onto/lcsh/sh85018798