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CASIO fx-991CW
05-04-2023, 06:09 PM
Post: #76
Steve Simpkin Offline
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RE: CASIO fx-991CW
(05-04-2023 05:40 PM)ThomasK Wrote:  Got a Casio fx-991DE CW today, for 10.99€ (German "Mediamarkt" store)!
...
A little slower than fx-991CW or may be not all calculators have exactly the same speed.
This calculator is light as a feather - is there anything inside? ;-)

Here is an internal photo of a Casio fx-991DE-Plus posted by Stefan. It seems to mostly just be a blog of epoxy. Amazing! Epoxy could not be used to do anything as complex as a calculator when I was a kid. of course I'm not sure epoxy was all that common when I was a kid...

https://www.hpmuseum.org/forum/thread-67...ml#pid5507
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Messages In This Thread
CASIO fx-991CW - lrdheat - 01-11-2023, 06:33 PM
RE: CASIO fx-991CW - Eddie W. Shore - 01-17-2023, 02:17 PM
RE: CASIO fx-991CW - ijabbott - 02-08-2023, 10:15 PM
RE: CASIO fx-991CW - BruceH - 02-08-2023, 10:49 PM
RE: CASIO fx-991CW - lrdheat - 02-09-2023, 03:52 AM
RE: CASIO fx-991CW - bbergman - 02-10-2023, 01:10 AM
RE: CASIO fx-991CW - Csaba Tizedes - 02-25-2023, 08:32 PM
RE: CASIO fx-991CW - BINUBALL - 02-26-2023, 11:23 AM
RE: CASIO fx-991CW - Csaba Tizedes - 02-28-2023, 07:07 AM
RE: CASIO fx-991CW - BINUBALL - 03-03-2023, 08:48 AM
RE: CASIO fx-991CW - lrdheat - 02-10-2023, 02:09 AM
RE: CASIO fx-991CW - klesl - 02-10-2023, 05:39 PM
RE: CASIO fx-991CW - wb.c - 02-11-2023, 02:48 AM
RE: CASIO fx-991CW - wb.c - 02-11-2023, 03:27 AM
RE: CASIO fx-991CW - Csaba Tizedes - 02-11-2023, 11:44 AM
RE: CASIO fx-991CW - wb.c - 02-11-2023, 02:27 PM
RE: CASIO fx-991CW - lvt - 02-12-2023, 06:01 AM
RE: CASIO fx-991CW - thenozone - 02-12-2023, 04:00 PM
RE: CASIO fx-991CW - Csaba Tizedes - 02-12-2023, 08:00 PM
RE: CASIO fx-991CW - paul0207 - 02-25-2023, 11:52 PM
RE: CASIO fx-991CW - lrdheat - 03-03-2023, 07:43 PM
RE: CASIO fx-991CW - Csaba Tizedes - 03-04-2023, 10:26 AM
RE: CASIO fx-991CW - ijabbott - 03-04-2023, 08:52 PM
RE: CASIO fx-991CW - thenozone - 03-04-2023, 10:32 PM
RE: CASIO fx-991CW - Csaba Tizedes - 03-05-2023, 10:28 AM
RE: CASIO fx-991CW - BINUBALL - 03-05-2023, 11:28 AM
RE: CASIO fx-991CW - critor - 03-05-2023, 11:31 AM
RE: CASIO fx-991CW - ijabbott - 03-06-2023, 08:39 PM
RE: CASIO fx-991CW - Eddie W. Shore - 03-06-2023, 01:46 PM
RE: CASIO fx-991CW - klesl - 03-09-2023, 10:03 PM
RE: CASIO fx-991CW - Csaba Tizedes - 03-11-2023, 11:58 AM
RE: CASIO fx-991CW - Eddie W. Shore - 03-11-2023, 07:10 PM
RE: CASIO fx-991CW - Eddie W. Shore - 03-28-2023, 01:50 AM
RE: CASIO fx-991CW - Dave Britten - 03-28-2023, 11:43 AM
RE: CASIO fx-991CW - paul0207 - 03-28-2023, 05:01 PM
RE: CASIO fx-991CW - bbergman - 03-28-2023, 03:39 PM
RE: CASIO fx-991CW - compsystems - 03-28-2023, 07:09 PM
RE: CASIO fx-991CW - Csaba Tizedes - 03-29-2023, 03:16 PM
RE: CASIO fx-991CW - Csaba Tizedes - 03-30-2023, 05:43 AM
RE: CASIO fx-991CW - BINUBALL - 03-31-2023, 12:13 PM
RE: CASIO fx-991CW - Csaba Tizedes - 04-01-2023, 12:28 PM
RE: CASIO fx-991CW - rawi - 03-29-2023, 05:24 PM
RE: CASIO fx-991CW - thenozone - 03-29-2023, 09:56 PM
RE: CASIO fx-991CW - bbergman - 03-30-2023, 12:59 AM
RE: CASIO fx-991CW - Csaba Tizedes - 04-01-2023, 12:47 PM
RE: CASIO fx-991CW - BINUBALL - 04-01-2023, 02:58 PM
RE: CASIO fx-991CW - Eddie W. Shore - 04-01-2023, 05:25 PM
RE: CASIO fx-991CW - Eddie W. Shore - 04-02-2023, 04:08 AM
RE: CASIO fx-991CW - Csaba Tizedes - 04-02-2023, 11:37 AM
RE: CASIO fx-991CW - Eddie W. Shore - 04-02-2023, 01:48 PM
RE: CASIO fx-991CW - Csaba Tizedes - 04-02-2023, 04:29 PM
RE: CASIO fx-991CW - Eddie W. Shore - 04-11-2023, 01:30 PM
RE: CASIO fx-991CW - Csaba Tizedes - 04-12-2023, 07:52 AM
RE: CASIO fx-991CW - lrdheat - 04-04-2023, 04:40 AM
RE: CASIO fx-991CW - lrdheat - 04-04-2023, 04:58 AM
RE: CASIO fx-991CW - Eddie W. Shore - 04-04-2023, 05:21 AM
RE: CASIO fx-991CW - ijabbott - 04-04-2023, 08:29 PM
RE: CASIO fx-991CW - Eddie W. Shore - 04-05-2023, 12:41 PM
RE: CASIO fx-991CW - Csaba Tizedes - 04-05-2023, 04:22 PM
RE: CASIO fx-991CW - Csaba Tizedes - 04-04-2023, 05:49 AM
RE: CASIO fx-991CW - pier4r - 04-04-2023, 09:04 PM
RE: CASIO fx-991CW - Eddie W. Shore - 04-05-2023, 01:02 PM
RE: CASIO fx-991CW - BINUBALL - 04-09-2023, 03:28 AM
RE: CASIO fx-991CW - lrdheat - 04-05-2023, 08:02 PM
RE: CASIO fx-991CW - lrdheat - 04-07-2023, 07:37 PM
RE: CASIO fx-991CW - lrdheat - 04-07-2023, 08:04 PM
RE: CASIO fx-991CW - lrdheat - 04-09-2023, 03:51 AM
RE: CASIO fx-991CW - Eddie W. Shore - 04-12-2023, 01:40 PM
RE: CASIO fx-991CW - Dave Britten - 04-30-2023, 01:10 AM
RE: CASIO fx-991CW - lrdheat - 04-30-2023, 04:39 PM
RE: CASIO fx-991CW - lrdheat - 04-30-2023, 04:48 PM
RE: CASIO fx-991CW - Dave Britten - 04-30-2023, 05:11 PM
RE: CASIO fx-991CW - Csaba Tizedes - 05-02-2023, 07:34 AM
RE: CASIO fx-991CW - Dave Britten - 05-02-2023, 06:17 PM
RE: CASIO fx-991CW - ThomasK - 05-04-2023, 05:40 PM
RE: CASIO fx-991CW - Steve Simpkin - 05-04-2023 06:09 PM
RE: CASIO fx-991CW - Dands - 06-02-2023, 02:38 AM
RE: CASIO fx-991CW - jonmoore - 06-02-2023, 07:12 AM
RE: CASIO fx-991CW - jonmoore - 06-02-2023, 07:37 AM
RE: CASIO fx-991CW - Dave Britten - 06-02-2023, 12:43 PM
RE: CASIO fx-991CW - jonmoore - 06-02-2023, 01:47 PM
RE: CASIO fx-991CW - Hans S. - 10-16-2023, 03:35 PM
RE: CASIO fx-991CW - lrdheat - 06-03-2023, 03:12 PM
RE: CASIO fx-991CW - lrdheat - 06-03-2023, 03:34 PM
RE: CASIO fx-991CW - Dands - 06-04-2023, 01:55 AM
RE: CASIO fx-991CW - Dave Britten - 06-04-2023, 11:52 AM
RE: CASIO fx-991CW - Dands - 06-05-2023, 01:59 PM
RE: CASIO fx-991CW - lrdheat - 06-05-2023, 10:45 PM
RE: CASIO fx-991CW - Dands - 06-07-2023, 05:38 PM
Bug Casio 991CW ? - Quadratica - 09-04-2023, 12:16 AM
RE: CASIO fx-991CW - Matt Agajanian - 09-04-2023, 01:35 AM
RE: CASIO fx-991CW - ijabbott - 09-05-2023, 07:41 AM
RE: CASIO fx-991CW - Quadratica - 09-05-2023, 11:42 PM
RE: CASIO fx-991CW - ijabbott - 09-09-2023, 09:10 AM
RE: CASIO fx-991CW - Matt Agajanian - 09-06-2023, 02:49 AM
RE: CASIO fx-991CW - Quadratica - 09-06-2023, 02:41 PM
RE: CASIO fx-991CW - Quadratica - 09-26-2023, 08:55 AM
RE: CASIO fx-991CW - Matt Agajanian - 09-26-2023, 09:29 AM
RE: CASIO fx-991CW - Silanda - 10-08-2023, 10:36 PM
RE: CASIO fx-991CW - wb.c - 10-10-2023, 05:01 PM
RE: CASIO fx-991CW - Matt Agajanian - 10-11-2023, 07:26 PM
RE: CASIO fx-991CW - wb.c - 10-13-2023, 03:23 PM
RE: CASIO fx-991CW - Steve Simpkin - 10-13-2023, 04:55 PM
RE: CASIO fx-991CW - Matt Agajanian - 10-14-2023, 12:33 AM
RE: CASIO fx-991CW - patrick-r - 03-07-2024, 11:41 AM
RE: CASIO fx-991CW - Matt Agajanian - 03-10-2024, 03:58 PM
RE: CASIO fx-991CW - lrdheat - 03-10-2024, 05:50 AM
RE: CASIO fx-991CW - Steve Simpkin - 03-10-2024, 01:29 PM
RE: CASIO fx-991CW - Albert Chan - 03-10-2024, 03:04 PM
RE: CASIO fx-991CW - Nigel (UK) - 03-10-2024, 02:28 PM



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