Simultaneous equations
2008-04-24 by renystro
I am trying to solve three simultaneous equations and I can t seem to figure out how to do it. I ve gone through the manual and keep getting an error trying
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Re: [50g] devide key
2008-04-20 by Nancy Von Essen
Hi Riaan Ed here. To reset the 50G, push one end of a small paper clip or similar tool into the little hole on the back of the 50G that is located to the
Re: [50g] Re: devide key
2008-04-19 by Alan Golightly
I put mine in ALG mode, and seems to work fine. 50 / 3 enter or 50 * 3 enter both work correctly. Sounds like a strange problem, sorry I am pretty new to the
Re: [50g] Re: devide key
2008-04-19 by Don Hart
And what happens when you enter the digit after the /? Is the result of the calculation correct? Also, I suggest you try the RPN mode. Once you get used to it,
Re: devide key
2008-04-19 by riaanbarnard2000
Hi No. I am set up in ALG mode. W hen I type the +(or - or *) key the arrow moves one position to the right. When I type the / key it stays on top of / sign
Re: [50g] devide key
2008-04-18 by Alan Golightly
Did you use this sequence?: 50 enter 3 divide? try pressing cancel, which is the ON key ... From: riaanbarnard2000 To: 50g@yahoogroups.com
devide key
2008-04-18 by riaanbarnard2000
Hi Please help. During one of many discoveries of my new Hp50g I did something to alter the devide key. When I type 50/3 the curser does not move after
Re: [50g] Re: newbie eqw question
2008-04-18 by Alan Golightly
thanks ... From: Juan C. To: 50g@yahoogroups.com Sent: Thursday, April 17, 2008 8:31:24 PM Subject: [50g] Re: newbie eqw question To
Re: newbie eqw question
2008-04-18 by Juan C.
To delete a variable put the name of the variable enclosed with single quotes like FUNC press [ENTER] and then [TOOL] and PURGE (associated to [F6]) if you
Re: [50g] Re: newbie eqw question
2008-04-17 by Alan Golightly
Thanks Juan, that helps clear some things up for me. So you input variable name(x)= whatever equation, and then DEF; which stores that variable name under
Re: BODE-ROUTH
2008-04-17 by Simone
... Which flag? Simone
Re: BODE-ROUTH
2008-04-17 by Tim Wessman
... More than likely yoy have ZINTs instead of reals. If the numbers don t have a . at the end, they are a symbolic object. Many of the older programs
Re: newbie eqw question
2008-04-16 by Juan C.
Hello Alan, In order to evaluate that function you have two options (I suppose you are in RPN): 1. You can use DEF. FUNC(X)=SQ(X)/(3*SIN(X)) [ENTER]
Re: BODE-ROUTH
2008-04-16 by OLLIVIER
Hello, Sorry but for me it s ok, I have any problems. May be it s a problem with your flag?!?! Nico
BODE-ROUTH
2008-04-16 by Simone
Hello, I m learning to use program BODE-ROUTH (http://www.hpcalc.org/details. php? id=3176), that it uses NEOPOLYS (http://www.hpcalc.org/details. php?
Re: newbie eqw question
2008-04-16 by vincentgoudreault
... One last thing to remember: since this program uses local variables, the value of a as it stands is not retained at the conclusion of the program. That
Re: newbie eqw question
2008-04-16 by vincentgoudreault
... variable ... Here is one of the possible equivalent in HP50: a where
Re: [50g] newbie eqw question
2008-04-16 by Alan Golightly
thanks ... From: Nancy Von Essen To: 50g@yahoogroups.com Sent: Tuesday, April 15, 2008 6:31:25 PM Subject: Re: [50g] newbie eqw
Re: [50g] newbie eqw question
2008-04-15 by Nancy Von Essen
Alan text message attached below -- try it Ed alanthegringo wrote: After entering an equation with the equation
Re: [50g] newbie eqw question
2008-04-15 by Don Hart
... The soft key with the label of f, sorry. ____________________________________________________________________________________ Be a better friend,
Re: [50g] newbie eqw question
2008-04-15 by Don Hart
I can t follow the code you gave, never used a 15c. But if you want to evaluate a function for values you enter individually, one of the many ways is to
newbie eqw question
2008-04-15 by alanthegringo
After entering an equation with the equation writer, with one variable such a x , how do you evaluate x for the equation? It seems like using the equation
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Nancy Von Essen
Hey Don I have a 49G (slow), a 49G+(has some key problems) AND a 50G. A pocket guide came with the 49G and HP sent me a second in response to comments on
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Don Hart
Now that you mention it, I do remember some talk about such an upgrade on comp.sys.hp48. Thanks for the info!! I also have come to realize Ed means 49g+ when
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Tim Wessman
... There are some special paths they built in to bypass the ARM sections in the emultor ROM. You can actually install 2.09 from the emulator onto a 49g as
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Tim Wessman
... from your program. You have no idea the struggle to store data out on the 49G s SD card using the information in print for the 49G. There is a brief note
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Tim Wessman
Sheesh. I don t check for a few days and come back to find a huge long discussion. . . :-) ... That is only valid for the SD card. Either :3:{DIR1 SUBDIR1
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Steve Huntsman
Thanks much Don, There s a lot to learn about HP50g. Your tips very helpful. Steve H ... -- Using Opera s revolutionary e-mail client:
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Nancy Von Essen
Thanks Don. I have it saved to computer memory now. It will come in handy, Ed Don Hart wrote: As a follow-up, I found a pocket
Re: R: [50g] Timestamp capabilities?
2008-04-13 by Don Hart
As a follow-up, I found a pocket guide (PDF) for the 50g here: http://username.localhost.googlepages.com/hp50gquickguide.pdf It s a command summary only,
Re: R: [50g] Timestamp capabilities?
2008-04-12 by Nancy Von Essen
Tim Ed here. Just wanted to say thanks for the help I received from your program. You have no idea the struggle to store data out on the 49G s SD card
Re: R: [50g] Timestamp capabilities? and DISK FULL error
2008-04-12 by André Neves
Well, Ed, for the test you made, I think you have really exceeded the maximum number of files. I don t know much about the calculator (actually I know very
Re: R: [50g] Timestamp capabilities? and DISK FULL error
2008-04-12 by Nancy Von Essen
Andre Ed here. I counted approximately 504 objects on the SD card. I say 504 because I may have skipped a few. My down arrow key may bounce and advance
Re: R: [50g] Timestamp capabilities?
2008-04-12 by André Neves
Yes, it is possible that you have exceeded the limit of existing files, instead of running out of space. This may happen if you have a lot of files, doesn t
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Don Hart
I think the SD card is formated to FAT16 or FAT32. And I think all FAT drives have a limit on the number of files that can be stored in the root directory.
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Don Hart
Do you mean update the 50g to 2.09? I don t think the 49g can use it because the code is designed to use the ARM chip. The 50g runs under emulation on an ARM
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Nancy Von Essen
Hi Don Ed here. The DISK FULL error is occurring with FILES showing 52608 KB remaining on the SD card, a 64 KB unit. It came as a complete surprise. Don Hart
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Nancy Von Essen
Don I rarely use the 49G. SLOW!!!!! I actually have no reason to have any of the G series except curiosity. And yes, HP has added functions as new models
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Don Hart
In case you or any lurkers care, the guide is at www.hpcalc.org in PDF format. When you get there, search for... hp49 pocket guide There are a few related
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Don Hart
Ah, so the 50g IS different in that respect & explains why Tim s prog works but not on the 49g. Thanks, Ed, for being patient with me. As for your DISK FULL
Re: R: [50g] Timestamp capabilities?
2008-04-11 by Nancy Von Essen
Hi Don Ed Von Essen here again. To answer your question, no, - TAG should work the same on both. And it is described on page 21-33 of the 50G User Guide.
Re: R: [50g] Timestamp capabilities?
2008-04-10 by Don Hart
Are you saying the 50g s - TAG changes the RESEARCH/xxx.TXT to RESEARCH/xxx.TXT whereas the 49g s - TAG function does not? Because if it doesn t, STO will
Re: R: [50g] Timestamp capabilities?
2008-04-10 by Nancy Von Essen
The - TAG function. Don Hart wrote: So the users of a 50g shouldn t expect Tim s code to store the results. I wonder how he got
Re: R: [50g] Timestamp capabilities?
2008-04-10 by Don Hart
So the users of a 50g shouldn t expect Tim s code to store the results. I wonder how he got the output. ... __________________________________________________
Re: [50g] Timestamp capabilities?
2008-04-10 by Nancy Von Essen
Oops that is the ON key with F6, together. Ed VE nlosin wrote: Hi all, I m a biologist who works in some remote locations, and I m
Re: [50g] Timestamp capabilities?
2008-04-10 by Nancy Von Essen
Neil to check battery level, hold OON key with F6 key, then release. Select option 8 (power). The 50G will display the battery voltage on the stack. Itis
Re: R: [50g] Timestamp capabilities?
2008-04-10 by Nancy Von Essen
Don you gotta use the single quotes [ Row 4, Col 3 ] for the STO name [ name ] else you get an error. Ed VE Don Hart wrote:
Re: R: [50g] Timestamp capabilities?
2008-04-10 by Don Hart
The 50g allows you to store under a string name? My 49g gives STO error: bad argument type. I thought you have to use a variable name. And how do you
Re: R: [50g] Timestamp capabilities?
2008-04-09 by Tim Wessman
program that would allow data entry with a timestamp attached to each ... Here is a program that will prompt for your note, and then store the data into a
R: [50g] Timestamp capabilities?
2008-04-09 by Mattioni Giancarlo
Hi Neil. You might benefit from the TICKS command that Returns the system time as a binary integer, in units of 1/8192 second. I don t know the details of