Simple hand-drawn illustration of a calculator, featuring a display and number buttons.
Schlüsselwörter
calculating machine,
calculation,
mathematic,
mathematic,
number,
digit,
buttons,
display,
screen,
adding,
subtracting,
dividing,
arithmetic,
computation,
accounting,
finance,
budget,
money,
economic,
business,
office,
school,
education,
learning,
tool,
device,
technology,
simple,
hand-drawn
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