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Nigel (UK) · 09-03-2014, 12:36 PM

(09-03-2014 09:51 AM)Paul Dale Wrote:
(09-03-2014 09:21 AM)Nigel (UK) Wrote: It really is enormous fun - can you estimate (cos70)^30 well enough to satisfy it?

Something rather close to zero? How close does it need to be to be accepted.

Pauli

It depends how complex the calculation is. For (cos70)^30 its tolerance is very wide (although my estimate of 10^-15 was close to the true answer of 1.05e-14!). It took me longer than it should have done to get close to e^60, though. Its tolerance there was only a couple of powers of 10 (10^25 to 10^27). For 2+2 it only accepts 4.