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November 5th, 2018, 03:21 PM   #11
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Originally Posted by Maschke View Post
How could an inexact approximation be better than the exact number? Of course asymptotics are important and valuable, but for accuracy you can't beat exactness. Right?
In terms of actually computing the number of primes below a very large number, you might want to sacrifice some accuracy so that the computation finishes before you die.
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