HP Forum Archive 21

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HP Solve Newsletter April 2012 arrived Message #1 Posted by Karl-Ludwig Butte on 2 May 2012, 7:19 a.m. Dear All, the April 2012 issue of the HP Solve newsletter arrived ! Have a look here and enjoy 3.36 MB of interesting reading. A hearty THANKS to Richard Nelson and all the other involved for their great work! Best regards Karl

Re: HP Solve Newsletter April 2012 arrived Message #2 Posted by james summers on 2 May 2012, 8:53 a.m., in response to message #1 by Karl-Ludwig Butte Thanks for flagging that, Karl. Now downloaded ready for tonight's commute home! Cheers James

Re: HP Solve Newsletter April 2012 arrived Message #3 Posted by Alex S on 2 May 2012, 4:32 p.m., in response to message #2 by james summers Quote: Now downloaded ready for tonight's commute home! Hi James, may I ask what kind of reader do you use to read pdf's like that? Many thanks in advance, Alex

Re: HP Solve Newsletter April 2012 arrived Message #4 Posted by james summers on 2 May 2012, 5:59 p.m., in response to message #3 by Alex S Hi Alex An iPad2 - both the iBooks and Kindle app work fine with pdfs. It also means I can check into the Museum as well during the commute as have reasonable 3G coverage along most of the train route. Cheers James

Re: HP Solve Newsletter April 2012 arrived Message #5 Posted by Alex S on 3 May 2012, 6:15 p.m., in response to message #4 by james summers Thanks a lot for your kind answer! Best regards, Alex

HP Solve Newsletter April 2012: a typo? Message #6 Posted by Luiz C. Vieira (Brazil) on 2 May 2012, 9:57 a.m., in response to message #1 by Karl-Ludwig Butte Hi, all. I downloaded the articles and went reading the one about RPN evolving. I found the second paragraph somehow conflicting and decided to ask for opinions. Quote: If you press the digit 5 on an RPL calculator the “5” is entered into level 1 of the stack. The same thing happens with a classical RPN calculator. If, however, you then press ENTER the two user interfaces operate differently. The same thing happens with a classical RPN calculator. Shouldn't it be: Quote: If you press the digit 5 on an RPL calculator the “5” is entered into a command line prior to be entered in level 1 of the stack. I am not sure if this is what happens in the WP34S, because I do not have one (neither have installed an emulator), but I read it has a 8-level stack, so I cannot be sure about the WP34S being a RPN, a RPL or a midbreed and how does it deal with the stack. Thoughts? Luiz (Brazil)

Re: HP Solve Newsletter April 2012: a typo? Message #7 Posted by Walter B on 2 May 2012, 11:23 a.m., in response to message #6 by Luiz C. Vieira (Brazil) WP 34S is good old classical RPN - it behaves in principle like the HP-45 or HP-42S. The only major differences are: The numeric input is echoed as you type - syntax checking will begin with ENTER or another legal command, not earlier. WP 34S allows you choosing either 4 or 8 stack levels (X, Y, Z, T, optionally plus A, B, C, D). With 8 stack levels, d will be repeated like t with 4. I definitively recommend reading the manual here in this matter :-)

Re: HP Solve Newsletter April 2012: a typo? Message #8 Posted by Luiz C. Vieira (Brazil) on 2 May 2012, 11:38 a.m., in response to message #7 by Walter B Quote: WP 34S allows you choosing either 4 or 8 stack levels Yep, that's what I read about, I myself missed my own thoughts when writing... Thanks for the link, will read it and get to know it better. Cheers. Luiz (Brazil)

Re: HP Solve Newsletter April 2012 arrived Message #9 Posted by Matt Agajanian on 2 May 2012, 12:11 p.m., in response to message #1 by Karl-Ludwig Butte Thanks. I just got my copy. By the way, the article references RPN Tip #4 but does not say which newsletter that's in. Which HPSolve editions are the tips in? Thanks Edited: 2 May 2012, 12:44 p.m.

Re: HP Solve Newsletter April 2012 arrived Message #10 Posted by Karl-Ludwig Butte on 3 May 2012, 3:16 a.m., in response to message #9 by Matt Agajanian although I couldn't find the reference to RPN Tip #4 in the April 2012 issue, you find Tip #4 in Volume 4, May 2008 (still available for download here ) Best regards Karl

Re: HP Solve Newsletter April 2012 arrived Message #11 Posted by Matt Agajanian on 3 May 2012, 8:08 a.m., in response to message #10 by Karl-Ludwig Butte Found Solve #4. Thanks

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