HP50g Statistics Application


I am new standard user for HP50g calculators. I am as familiar with programming on this calculator. I got the calculator via the company, so I choose the most expensive calculator. I mostly use it for it's statistics applications. Everything worked well until a week ago when I decided to use it for some financial calculations. Since then, I am unable to launch the Statistics application. Instead I get an error message that say BAD ARGUMENT TYPE! This happens immediately i try to launch the application.

I have tried resetting the CAS, MODE, FLAGS, to their default values and nothing works.

Someone please help. If you hang out in owings mills, MD i'll buy you a beer. I am in bind, so any and all help is appreciated. Keep in mind I an not a seasoned user


I never used a 50g. Only 48gx. Have you tried to purge the Sigma DAT variable (the one containing your statistic data). Maybe it got corrupted somehow. But it should not result in a error message right from the start before processing the data. Strange.


Thank you for the response. No, I have not tried this. How exactly do I purge this Sigma DAT variable. There are very few resources on HP calc. troubleshooting, and none I could find about error messages. Please let me know. Thank you.


Hi Sam.

If you press the [VAR] key, then you'll enter the VARiable browser. If necessary, press [NXT] to browse thorugh the variables stored in the HOME directory till you see tha SigmaDAT one (please note that here "Sigma" just stands for the Greek capital letter Sigma - so you're gonna see on the display a Greek capital sigma letter plus the "DAT" suffix).

Then you will want to press:

[LEFT SHIFT][+] @puts a pair of curly brackets on the command line

the [F1]...[F6] key corresponding to the SigmaDAT variable

[ENTER] @to terminate command line input

[TOOL] @to bring back the "basic functions"

[F5] @the "PURGE" key

and you're done!

By the way, if the above does not brings you out of trouble, you may want to consider the following:

1) try to issue the CASCFG command (you may pick it from the [CAT] list you get by pressing [RIGHT SHIFT][]SYMB] - it will "re-configure" the CAS settings

2) try to do a warm reset by pressing: [ON]+[F3] - this will "re-boot" the 50G

3) try to do a full reset by pressing: [ON]+[F1]+[F3] -
WARNING! This will reset the 50g to a nearly "out-of-the-box" state !!

Hope this helps.

Best regards.


Edited: 7 Dec 2007, 2:34 a.m.


First step worked like a charm. Perfect! Thank you, Thank you. I live in Maryland and you are possibly in Italy. BUT I still owe you a beer. This really saved the day.


Glad it helped :-)

Yes, I live in Italy, but if I'll be passing in Maryland, I'll be happy to taste a beer! (by the way - how about MD's beer?).

Take care.


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