A black calculator featuring a digital display and numeric keypad for mathematical calculations.
Schlüsselwörter
calculating machine,
black,
digital,
display,
numeric,
mathematic,
statistic,
number,
visual,
computer keyboard,
buttons,
programming,
calculation,
science,
electronic,
innovative,
utility,
education,
precision,
accurate,
tool,
accurateness,
finance,
operation,
portable,
layout,
budget,
compact,
productivity,
model,
interface,
arithmetic,
hand-held,
technology,
engineering,
functional,
design,
device,
simple,
function,
computation,
user-friendly,
versatile,
systematic
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