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    Re: sight reduction calculator
    From: Dan Allen
    Date: 2008 Jan 27, 18:57 -0700

    
    On Jan 27, 2008, at 11:06 AM, gcurte wrote:
    
    > i 'm trying to  get a hendheld calculator to expedite my sight
    > reduction work.
    
    I use HP-48 / HP-49 / HP-50 range of calculators for my sight
    reduction needs.  They run for almost a year on 3 AAA batteries and
    are a programmer's delight.  However, they do have a steep learning
    curve as the language is a unique one: RPL or Reverse Polish Lisp, a
    combination of HP's earlier RPN (Reverse Polish Notation) and Lisp.
    It is a powerful machine but you will need to spend some time learning
    it.
    
    These machines can connect to a Mac or PC so you can store your
    software so that in case of memory loss you can restore the software.
    They can also transfer programs via IR to other HP calculators.
    
    Recommended.
    
    The HP-50G can be found on Amazon for about $115.  Here's a link to it:
    
    
    http://www.amazon.com/Hewlett-Packard-F2229AA-ABA-Graphing-Calculator/dp/B000GTPRPS/ref=pd_bbs_2?ie=UTF8&s=electronics&qid=1201485400&sr=8-2
    
    Dan
    
    
    
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