48G register arithmatic



#2

Hi again folks,

Is there no (simple) way to perform the equivalent of register arithmatic on the 48G? I.e., like sto + 3 on an old RPN machine.
I realize there is the issue of many different object types that may be in a given variable, but if I want to add a real number into a variable that also contains a real number, is there no way to (quickly) do that? Can't seem to find this addressed in the user's guide.

As always, thanks...Hal


#3

3 'X' STO+ will add three to the variable X.

STO+, STO-, STO*, STO/ all do what is expected.

SINV, SNEG, SCONJ operate on the named variable.


- Pauli


#4

Thanks Paul,

But I can't seem to get it to work. Using your ketstroke sequence in the command line (3 'X' sto+), as soon as I hit STO, the number is overwritten into the named variable, not added to it.
What do you suppose I'm doing wrong.
Thanks, Hal


#5

Hi. You can't push the STO key to do this.

There are functions on a memory menu for STO+.

Do this:

Left shift PRG
MEMORY
ARITHMETIC
STO+

If you use this a lot, you can assign this to a key or create a custom menu.

It's on page 3-174 of the HP49g+ / HP50g AUR.

Found here:

http://h10032.www1.hp.com/ctg/Manual/c00554621.pdf#search=%22hp49g%2B%20STO%2B%22


#6

Oops. 48G!

It should still be under a MEMORY menu. Sorry for not paying closer attention. :-)

#7

Or else just type in the command.

3 'X' <hold down alpha> S T O + <release alpha> ENTER


#8

Thanks for all the help. It worked.

Best regards, Hal


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