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Double factorial [wp34s]
02-13-2016, 07:00 PM
Post: #17
RE: Double factorial [wp34s]
(02-13-2016 07:05 AM)Paul Dale Wrote:  the question, as always, is when to stop. Remembering that: "pi 2 /" is three steps.

True – but this applies other constants as well. Some physical constants provided by the 34s are simply products or quotients of two others. Or consider cases like Φ0 and Kj – the one is simply the reciprocal of the other, so at least one of them is not required. And what about #eE? A simple 1 ex would be fine either, wouldn't it? Even without disturbing the stack like a manual [pi] 2 [/] would do.

OK, constants like ln 2 or lg e can be obtained with two program steps, and they don't even cause stack problems (well, except losing LastX). Others do, so I would trade several of the present physical constants for a simple pi/2, pi/4 or some others.

But you said that the assembler can handle several constants, I assume this applies to cases like ln 10 or sqrt(2 pi). Could you kindly provide a list of these?

Dieter
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Messages In This Thread
RE: Double factorial [wp34s] - Paul Dale - 02-12-2016, 06:27 AM
RE: Double factorial [wp34s] - Dieter - 02-12-2016, 07:49 AM
RE: Double factorial [wp34s] - Dieter - 02-12-2016, 07:54 PM
RE: Double factorial [wp34s] - Paul Dale - 02-13-2016, 12:14 AM
RE: Double factorial [wp34s] - Paul Dale - 02-12-2016, 10:45 AM
RE: Double factorial [wp34s] - Paul Dale - 02-12-2016, 10:33 PM
RE: Double factorial [wp34s] - Paul Dale - 02-13-2016, 10:41 PM
RE: Double factorial [wp34s] - Dieter - 02-15-2016, 07:03 AM
RE: Double factorial [wp34s] - emece67 - 02-13-2016, 12:57 AM
RE: Double factorial [wp34s] - Paul Dale - 02-13-2016, 04:46 AM
RE: Double factorial [wp34s] - Dieter - 02-13-2016, 06:53 AM
RE: Double factorial [wp34s] - Paul Dale - 02-13-2016, 07:05 AM
RE: Double factorial [wp34s] - Dieter - 02-13-2016 07:00 PM
RE: Double factorial [wp34s] - emece67 - 02-13-2016, 09:15 AM
RE: Double factorial [wp34s] - John Keith - 02-14-2016, 03:24 PM



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