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Re^3: Getting stranger values in subtraction

by hdb (Monsignor)
on Feb 08, 2016 at 19:27 UTC ( [id://1154666]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Getting stranger values in subtraction
in thread Getting stranger values in subtraction

Fully agree. In this context -3.5527136788005e-015 seems to be close enough to zero for any practical purpose.

But this "naive" behavior can be seen so often not only with students but also in real applications for commercial purposes (which costs real money).

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