Concept information
Preferred term
QA75Calculators
Entry terms
- Adding-machines
- Calculating-machines
- Computers, Mechanical
- Desk calculators
- Mathematical machines (Calculators)
- Mechanical computers
Note
- 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
Notation
- HF5541.C3
- QA75
URI
http://www.yso.fi/onto/lcsh/sh85018798
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