HP48

Help Connectivity Kit?
I have WinXP on my laptop and everything else works perfectly including any other USB device. The HP 50g software and driver seem to load fine and Device Manager shows “HPx9G DEVICE” with no problems. However the USB Icon does not appear in the task bar at the bottom of the desktop as you would normally expect w... 25 Jun 2008 09:50

Algorithm in QR
Hello, I could not find any info in the manuals on which algorithm the qr or QR commands use. (Gram-Schmidt, Householder, or something else) Does anyone happen to know that? Thanks in advance, Henrik ... 26 Jun 2008 00:15

Help! I just bought the HP 50g.
Hello, I just bought the HP 50g, but I have not had time to look at it much as teaching takes up so much of my time. Also I am not used to fancy programmable graphing calculators! I am presently using these two scientific calculators: a Texas Instruments TI-30XS and a Casio fx-991ES. Both are non-programmable... 2 Jul 2008 13:57

HP-48G to USB?
Hello. I'd like to connect my HP-48G to my laptop; however this laptop doesn't have an RS-232 port, only USB; is it possible to connect the calc through this port? Thanks. -- Fabrice DELENTE ... 21 Jun 2008 11:44

First Program
I know it's a little bit hasty, but in my first RPL program I'd like to initiate the MatrixWriter once the user presses EDIT on a certain input form in an INFORM enviroment. Regards, Daniel. ... 20 Jun 2008 22:31

hp48sx problem - blue screen
Hi, The batteries of my 48sx were empty for a while and I now wanted to use the machine again. I replaced the batteries but all I have is a blue screen with on top two symbols activated: the working symbol and the sending out symbol. Power on / off is not working. It seems like the machine is blocked. Does anyb... 20 Jun 2008 22:31

Emu48 for HP50G?
On Thu, 01 May 2008 22:31:15 -0500, Raymond wrote: The HP-48G+/GX was produced until 2001/2002, the latest incarnations even with the high contrast display;-) .... S.C. (?) wrote: The real HP48 is getting harder and harder to obtain whereas the 50g is currently being produced. Plus, the HP4... 20 Jun 2008 08:08

Creating and using a Primitive Code Object
Hello, quite often I use short machine language programs to speed up parts of my programs. I´d like to avoid the 5 Nibbles for the size of a code object through using a Primitive Code Object. Can this be done with relative addresses inside my code ? If it can be done it has to be inside the same ROMPTR if r... 26 Jun 2008 11:31

HP50g Choosebox slower than HP49g
Why is the choose command so slow (the jump "down arrow" from one element to the other inside the choosebox), if you compare it to the HP49? Is'it possible to speed it up? mfg ... 19 Jun 2008 02:25

FEM48/49 v5.3 SR5 released
FEM48/49 v5.3 SR5 will be released to hpcalc.org and should show up on the next update changes are: - modified to use larger screen of HP49+ and HP50 - enabled FAST option for HP49+ and HP50, overclocking CPU to 203 MHz For HP48 and HP49 no changes. If you do not want to wait for hpcalc.org drop me an e-mai... 19 Jun 2008 01:19