I know the 28C/S can be programmed to display graphics, but isn't it true that they don't have graphing functions (other than primitive bitmap operations) built-in? If so, and if K.C. wants to be able to enter complete equations into the calculator, wouldn't that limit the choice of HP's to those with a memory stack and algebraic capability like the 28C/S, 48S/SX/G/GX (-/GX+? or -/G+?), 38G, 39G or 49G? Entering an equation in RPN is a matter of evaluating it numerically step-by-step, in a more efficient way than the "Algebraic Entry" systems. "Its hard to enter long equations and work with numbers on my HP-30S and Im looking for something more efficient." Message #7 Posted by Ellis Easley on, 1:21 p.m., Have you tried the MoHP Classified adds? It is a lot safe and you can simply get in direct contact with the guys. Anyway, this is the best e-place to ask about it. I am in Brazil, I'm not sure about how easy would it be to find HP stuff in your place. Other than the internet, do you know of any other places that i could try looking? thats why i want a scientific for quizes and stuff. Im getting the 49G for assignments and stuff like that. In response to message #4 by Vieira, Luiz C. Message #5 Posted by K.C on, 10:11 p.m., The HP42S would also be a choice, if it's not a graphics calculator. HP11C or HP15C (the HP10C is too valuable and rare for the job) It seems to me that you can try any of these non-graphing: (no specific selection order, only the not-so-rare RPN models) If you are not allowed to use a graphics calculator, you'll not be allowed to use the HP49G as well, neither any 48, nor any of these: HP38/39/40G: they're all graphics calc, too. Im going to eventually buy a HP-49G but it might not be for a while and id still need to have a nice scientific. Its hard to enter long equations and work with numbers on my HP-30S and Im looking for something more efficient. I also have a TI-83+ but Im not allowed to use it in any of my classes because of the graphing. I use a HP-30S scientific right now and I dont really like it. Im a first year university student taking engineering. Sorry for the vague post but im not really sure what im looking for yet, because im not sure whats availiable. I'm not sure if you need my idea of the "best".
As for best and the amount of money, you'll need to supply some parameters.
You can find calculators at the classified ads and other places. Message #2 Posted by Jim L on, 6:35 p.m., Re: Im looking for a HP RPN calculator, which one is good to get?
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Can any one give me some advice on how to find one, which ones are the best, and how much money I might be spending?Īlso does anyone know of any good websites that would teach me how to use RPN? I just want a HP Scientific that has Reverse Polish Notation. I wanted to get a RPN calculator but the only new ones that ive seen on the market is an HP financial and the HP48/49. Im looking for a HP RPN calculator, which one is good to get? Im looking for a HP RPN calculator, which one is good to get? The Museum of HP Calculators
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