HP Forum Archive 18

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Var arithmetic on RPL machine? Message #1 Posted by Hal Bitton in Boise on 16 June 2008, 1:54 p.m. Hi everybody, Is there a way to do what would be the equivalent of register arithmetic on an RPN machine on a 48gx/50g ? I.e., on a 15c I would go 5 sto + 1 to add 5 to the contents of register 1. How would I do the same to the contents of a variable with a 48gx/50g? I know I could recall the variable to the stack, do the operation, then overwrite back into the variable, but is there not a tidier way? Can't seem to find such in the 48g owners manual. Thanks and best regards, Hal

Re: Var arithmetic on RPL machine? Message #2 Posted by Ivan Nejgebauer on 16 June 2008, 4:04 p.m., in response to message #1 by Hal Bitton in Boise Quote: Is there a way to do what would be the equivalent of register arithmetic on an RPN machine on a 48gx/50g ? The 48SX has STO{+,-,*,/} and so do the later models, I suppose. They're used like STO, e.g., 5 'X' STO+ although 'X' 5 STO+ also works; if both arguments are variable names, the one in level 1 is taken as the target. i.

Re: Var arithmetic on RPL machine? Message #3 Posted by Jonathan Purvis (New Zealand) on 16 June 2008, 4:10 p.m., in response to message #1 by Hal Bitton in Boise There is a full suite of storage arithmetic operations. You can find them in PRG MEM ARITH menu path on the 50G or MEMORY ARITH menu path on the 48GX.

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