[WP 31s] difficulty with STO/ RCL X Y Z T
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10-19-2014, 05:26 PM
Post: #1
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[WP 31s] difficulty with STO/ RCL X Y Z T
Hi Everyone,
my WP 31s works fantastic, just one thing I can't figure out: How does STO/ RCL work with registers X to T? The preliminary owners manual version 1.2q says on page 30: "Note that you will not need [f] in αT except for addressing the four lowest stack registers." [i.e. X, Y, Z, T] I understand that for X to T, I do need [f]. So what I do is: RCL [f] [y] to recall the Y register. Instead I get the content of R2. Effectivly, the calculator seems to ignore the [f] key in this situation. In this situation, the f indicator does not light up in the display, normally it does. What am I doing wrong? My firmware version is 3671. Thanks everybody for advise and of course for this very nice calculator. Kind regards, Stephan |
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10-19-2014, 06:09 PM
(This post was last modified: 10-19-2014 06:34 PM by BobVA.)
Post: #2
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T
I believe to access X, Y, Z and T you actually need to prefix the register with the ENTER key. For example:
17 STO ENTER T will put 17 in the T register RCL ENTER T will recall the value in the T register. (Please see the table about "Addressing Real Numbers" on Page 27 of the WP34 manual for the definitive discussion!) |
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10-19-2014, 07:06 PM
(This post was last modified: 10-19-2014 11:40 PM by Jonathan Cameron.)
Post: #3
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T
(10-19-2014 06:09 PM)BobVA Wrote: I believe to access X, Y, Z and T you actually need to prefix the register with the ENTER key. For example: You can also use the period/decimal key: 17 [STO] [.] [T] ---> [EDIT - This is wrong! - use the ENTER key] [RCL] [.] [T] One slight advantage to using [ENTER] vs [.] is that the calculator displays an 's' indicating you are accessing a shifted memory location. (I do not recall if the 's' actually indicates 'shifted', but that seems likely.) With [.] there is no indication--but it works. This also seems to work with the register arithmetic functions. [EDIT - This is incorrect. Use the [ENTER] key! See below.] -Jonathan |
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10-19-2014, 07:51 PM
Post: #4
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T
Thank you both for your advice. Using [.] doesn't seem to work on my calc (strange?), but [ENTER] works perfectly, including arithmetic functions.
Best, Stephan |
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10-19-2014, 08:03 PM
Post: #5
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T | |||
10-19-2014, 09:14 PM
Post: #6
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T | |||
10-19-2014, 10:42 PM
(This post was last modified: 10-19-2014 10:45 PM by Stephan2.)
Post: #7
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T
(10-19-2014 08:03 PM)Jonathan Cameron Wrote: Odd. I'm running build 3680 (2014-10-10) which I just downloaded and installed.My firmware version is slightly older (3671). Maybe it's just that. I can update the firmware, but it will take until next weekend. Here's what I do: [f] CLEAR RESET [y] -> Erased 123 [STO] [+] [.] [x] -> 123 (wrong) 123 [STO] [+] [ENTER] [x] -> 246 (right) I can live with just the [ENTER] way, obviously. But indeed it's odd. |
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10-19-2014, 11:36 PM
Post: #8
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T
(10-19-2014 07:51 PM)Stephan2 Wrote: Using [.] doesn't seem to work on my calc (strange?), but [ENTER] works perfectly, including arithmetic functions. I was wrong! When I waas doing [STO] [.] [T] I was actually storing into register 4---I just thought it was register T! I should have checked with [ENTER] to verify. So definitely use [ENTER], as it says in the the 31s manual. -Jonathan |
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10-20-2014, 09:58 AM
Post: #9
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RE: [WP 31s] difficulty with STO/ RCL X Y Z T
Ok, another mystery solved then. ;-) Thank you all again for your help.
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