Casio fx-991EX vs Hp 50g speed difference
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07-26-2018, 03:01 AM
Post: #16
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RE: Casio fx-991EX vs Hp 50g speed difference
(07-25-2018 10:13 PM)Albert Chan Wrote: For transformed integral, it only take half the time ? No. It took 0.51 seconds to solve the SIN(X) integral symbolically (This time is found in post #11 in this thread. I apologize for not defining what integral I evaluated in that post). On the other hand, it took 1.7 seconds to solve the transformed SIN(X) integral symbolically (This time is found in post #14 in this thread). Both of them returned the same answer of -(COS(200)-1). (07-25-2018 10:13 PM)Albert Chan Wrote: And, compare against 1 - cos(200), more accurate ? I would say that 1-COS(200) has the same accuracy as -(COS(200)-1). They both are the same. (07-25-2018 10:13 PM)Albert Chan Wrote: Is it tested on the same calculator ? Yes. All is tested on the same HP 50g. (07-25-2018 10:13 PM)Albert Chan Wrote: What if it were applied not just to periodic function, but others ? Same as the first integral of SIN(X). Symbolically, the 50g solves the integral e^-x in .76 seconds, while it solves its transformed counterpart in 2.84 seconds. Again, both get the same answer of (e^500-1)/e^500. Here are some pictures of my results. |
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