Electronic pocket calculator with a liquid-crystal display
Palabras clave
calculating machine,
device,
contraption,
equipment,
display,
lcd,
keyboard,
buttons,
digit,
memory,
electronic,
modern,
cheap,
simple,
ordinary,
accurateness,
standard,
portable,
calculation,
arithmetic,
mathematic,
worked,
formula,
education,
school,
schoolwork,
student,
business,
design,
technology,
isolation
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