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Slide rule helps to do very good measurements
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Keywords
accuracy,
algebra,
angle,
antique,
calculating,
calculus,
computer,
degree,
direction,
division,
education,
equipment,
glass,
group,
instrument,
logarithm,
mathematical,
mathematics,
measurement,
multiplication,
old,
pi,
pointer,
reflection,
science,
sign,
sparse,
stick,
subtraction,
symbol,
tool,
work
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