I’m confused as to how, when and why I’m supposed to use significant digits vs when to carry all the decimals my calculator spits out. This is for surveying/civil engineering related fields in particular. My professor has covered both topics extensively but didn’t do a very good job explaining when said rules apply.
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You got excellent practical answers but if you want a deeper understanding of what’s going on you can look up *interval arithmetic*, perhaps starting with its Wiki page: https://en.wikipedia.org/wiki/Interval_arithmetic
Be warned that the subject can get somewhat murky, or at least involved, depending on the calculation at hand.
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