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WP-32S in 2016?
01-08-2016, 09:09 PM (This post was last modified: 01-08-2016 09:25 PM by Dieter.)
Post: #38
RE: WP-32S in 2016?
(01-08-2016 06:27 AM)Paul Dale Wrote:  Another question for the community is what extra functions would be desirable?

Honestly, I don't want more functions but better ones.

The current WP34s implementations of some functions (Gamma, Beta, some quantile functions) still have room for improvement – this has been discussed before, so the weak points should be known. Then some functions that are now placed in XROM deserve a speed-up. Think of the quantile functions that sometimes require 5...10 seconds. Compare this with the design goal of the world's very first scientific calculator, the HP35: it was supposed to return any result within a second.

Finally, there are some not too sophisticated functions that can make the programmer's life much easier as they preserve accuracy that would be lost in a straightforward implementation. Think of a sqrt(1+x) – 1 or a general (1+x)^n – 1 function, especially for small x. Or y^x – 1, or 1 – cos x, or Lambert's W + 1. Or a sin(x*pi) function that returns exact results for integer fractions of Pi. Or... you get the idea. There is more than ln(1+x) and e^x–1.

Addendum: I think the Boost math toolkit may provide some good insights regarding a useful math function set.

Dieter
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Messages In This Thread
WP-32S in 2016? - Sanjeev Visvanatha - 01-01-2016, 01:41 AM
RE: WP-32S in 2016? - Paul Dale - 01-01-2016, 03:14 AM
RE: WP-32S in 2016? - Csaba Tizedes - 01-01-2016, 02:14 PM
RE: WP-32S in 2016? - walter b - 01-01-2016, 02:36 PM
RE: WP-32S in 2016? - Csaba Tizedes - 01-01-2016, 03:26 PM
RE: WP-32S in 2016? - walter b - 01-01-2016, 05:47 PM
RE: WP-32S in 2016? - Csaba Tizedes - 01-01-2016, 08:20 PM
RE: WP-32S in 2016? - walter b - 01-01-2016, 02:19 PM
RE: WP-32S in 2016? - rprosperi - 01-01-2016, 03:44 PM
RE: WP-32S in 2016? - walter b - 01-01-2016, 05:08 PM
RE: WP-32S in 2016? - rprosperi - 01-01-2016, 05:52 PM
RE: WP-32S in 2016? - Massimo Gnerucci - 01-01-2016, 07:56 PM
RE: WP-32S in 2016? - walter b - 01-02-2016, 07:23 PM
RE: WP-32S in 2016? - Sanjeev Visvanatha - 01-02-2016, 04:59 PM
RE: WP-32S in 2016? - Luigi Vampa - 01-03-2016, 09:47 PM
RE: WP-32S in 2016? - walter b - 01-04-2016, 05:11 PM
RE: WP-32S in 2016? - Luigi Vampa - 01-04-2016, 06:25 PM
RE: WP-32S in 2016? - walter b - 01-04-2016, 10:42 PM
RE: WP-32S in 2016? - rprosperi - 01-05-2016, 03:31 AM
RE: WP-32S in 2016? - Didier Lachieze - 01-06-2016, 12:51 PM
RE: WP-32S in 2016? - Luigi Vampa - 01-04-2016, 11:43 PM
RE: WP-32S in 2016? - walter b - 01-07-2016, 02:54 PM
RE: WP-32S in 2016? - Sanjeev Visvanatha - 01-07-2016, 03:40 PM
RE: WP-32S in 2016? - walter b - 01-08-2016, 06:20 PM
RE: WP-32S in 2016? - walter b - 01-10-2016, 12:50 PM
RE: WP-32S in 2016? - Dieter - 01-10-2016, 02:02 PM
RE: WP-32S in 2016? - walter b - 01-10-2016, 08:17 PM
RE: WP-32S in 2016? - emece67 - 01-10-2016, 03:07 PM
RE: WP-32S in 2016? - rprosperi - 01-10-2016, 04:39 PM
RE: WP-32S in 2016? - Dieter - 01-10-2016, 07:54 PM
RE: WP-32S in 2016? - emece67 - 01-10-2016, 08:15 PM
RE: WP-32S in 2016? - Dieter - 01-10-2016, 08:33 PM
RE: WP-32S in 2016? - rprosperi - 01-10-2016, 09:21 PM
RE: WP-32S in 2016? - emece67 - 01-10-2016, 09:45 PM
RE: WP-32S in 2016? - matthiaspaul - 01-11-2016, 12:08 AM
RE: WP-32S in 2016? - walter b - 01-11-2016, 07:34 AM
RE: WP-32S in 2016? - Paul Dale - 01-11-2016, 08:05 AM
RE: WP-32S in 2016? - walter b - 01-11-2016, 08:30 AM
RE: WP-32S in 2016? - Dieter - 01-11-2016, 01:40 PM
RE: WP-32S in 2016? - walter b - 01-11-2016, 02:07 PM
RE: WP-32S in 2016? - walter b - 01-12-2016, 04:13 PM
RE: WP-32S in 2016? - emece67 - 01-12-2016, 07:47 PM
RE: WP-32S in 2016? - Dieter - 01-12-2016, 08:29 PM
RE: WP-32S in 2016? - walter b - 01-12-2016, 11:35 PM
RE: WP-32S in 2016? - walter b - 01-13-2016, 10:02 AM
RE: WP-32S in 2016? - emece67 - 01-13-2016, 11:41 AM
RE: WP-32S in 2016? - walter b - 01-13-2016, 12:04 PM
RE: WP-32S in 2016? - rprosperi - 01-13-2016, 03:57 PM
RE: WP-32S in 2016? - walter b - 01-10-2016, 08:30 PM
RE: WP-32S in 2016? - Dieter - 01-10-2016, 08:46 PM
RE: WP-32S in 2016? - walter b - 01-10-2016, 08:53 PM
RE: WP-32S in 2016? - walter b - 01-11-2016, 08:02 AM
RE: WP-32S in 2016? - rprosperi - 01-08-2016, 01:08 AM
RE: WP-32S in 2016? - walter b - 01-08-2016, 06:38 PM
RE: WP-32S in 2016? - John Smitherman - 01-05-2016, 12:32 AM
RE: WP-32S in 2016? - walter b - 01-06-2016, 12:05 PM
RE: WP-32S in 2016? - Didier Lachieze - 01-06-2016, 12:31 PM
RE: WP-32S in 2016? - Luigi Vampa - 01-07-2016, 03:22 PM
RE: WP-32S in 2016? - walter b - 01-08-2016, 06:42 PM
RE: WP-32S in 2016? - Paul Dale - 01-08-2016, 06:27 AM
RE: WP-32S in 2016? - emece67 - 01-08-2016, 10:01 AM
RE: WP-32S in 2016? - walter b - 01-08-2016, 07:01 PM
RE: WP-32S in 2016? - Dieter - 01-08-2016, 09:36 PM
RE: WP-32S in 2016? - walter b - 01-09-2016, 09:41 AM
RE: WP-32S in 2016? - Dieter - 01-09-2016, 06:22 PM
RE: WP-32S in 2016? - walter b - 01-09-2016, 09:51 PM
RE: WP-32S in 2016? - emece67 - 01-09-2016, 09:58 AM
RE: WP-32S in 2016? - Dieter - 01-08-2016 09:09 PM
RE: WP-32S in 2016? - Luigi Vampa - 01-08-2016, 09:47 PM
RE: WP-32S in 2016? - emece67 - 01-09-2016, 10:03 AM
RE: WP-32S in 2016? - Paul Dale - 01-09-2016, 10:42 PM
RE: WP-32S in 2016? - matthiaspaul - 01-12-2016, 12:08 AM
RE: WP-32S in 2016? - Dieter - 01-12-2016, 12:27 AM
RE: WP-32S in 2016? - matthiaspaul - 01-15-2016, 09:05 PM
RE: WP-32S in 2016? - emece67 - 01-08-2016, 10:30 AM
RE: WP-32S in 2016? - emece67 - 01-08-2016, 12:25 PM
RE: WP-32S in 2016? - emece67 - 01-08-2016, 04:44 PM
RE: WP-32S in 2016? - Luigi Vampa - 01-10-2016, 03:06 PM
RE: WP-32S in 2016? - walter b - 01-10-2016, 03:17 PM
RE: WP-32S in 2016? - Paul Dale - 01-12-2016, 03:07 AM



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