Olympus-OM
[Top] [All Lists]

Re: [OM] Godspeed, Neil Armstrong

Subject: Re: [OM] Godspeed, Neil Armstrong
From: Charles Geilfuss <charles.geilfuss@xxxxxxxxx>
Date: Tue, 28 Aug 2012 13:13:21 -0400
  The first calculator I used with any regularity was a Wang desktop
with RPN that I used in Physics lab at Clemson. I guess I'm used to it
since I still use my 25 year old HP-11 calculator. The real beauty is
that I know it will always be in my desk; the wife and kids hate the
RPN.

Charlie

On Tue, Aug 28, 2012 at 11:46 AM, Chuck Norcutt
<chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> I never could come to grips with RPN.  Therefore HP scientific
> calculators and stack oriented programming languages like Forth were
> never my cup of tea.
>
> Chuck Norcutt
>
>
> On 8/27/2012 9:22 PM, Jim Nichols wrote:
>> Hi Mike,
>>
>> You are really making me feel old!  I have a couple of TIs that my sons used
>> in college, but my personal favorite, a gift from my family many years ago,
>> is my HP32S  (RPN Scientific).  I change the batteries every couple of
>> years, and it just keeps on truckin'.
>>
>> Jim Nichols
>> Tullahoma, TN USA
>> ----- Original Message -----
>> From: <usher99@xxxxxxx>
>> To: <olympus@xxxxxxxxxxxxxxxxx>
>> Sent: Monday, August 27, 2012 7:10 PM
>> Subject: Re: [OM] Godspeed, Neil Armstrong
>>
>>
>>>>> My TI-35+ is
>>>>>> going on 30 years old, but it still works great and sits right next
>>> to
>>>
>>>
>>> Some calculators die hard.  I have read many still love the HP12C
>>> financial calculator. I believe they are still sold and the relatively
>>> expensive phone app emulators do well!  I still use my HP 11c and even
>>> occasionally  my Ti SR52.  I recently bought replacement battery packs
>>> for it and my Dad's HP45.  I was spoiled rotten as a kiddie as we often
>>> had a giant 4 fxn calculator (forgot who made it) and could ck long
>>> division on it just after I learned how.  This was pre LED's and had
>>> weird neon tube thingies for the display and cost as much as a car.  My
>>> Dad brought it home from work.
>>>
>>> I have a meter?  long slide  rule at home and an odd spiral one that is
>>> really cool.  I remember able to get 4 sig. figures at the low end on
>>> it but didn't really need it for long in junior high or so as the SR10
>>> or 11's were out.
>>>
>>> Oh there are algorithms to keep tack of the "left digits" when using  a
>>> Slide Rule.  I would use that after keeping track of the order of
>>> magnitude in Sci notation first, IIRC.
>>>
>>> "Rule for multiplication
>>> If the rule is set with the slide protruding at the left-hand end of
>>> the stock, the number of digits in the answer is the sum of the digits
>>> of the factors. If the slide is protruding at the right-hand end, the
>>> number of digits in the product is one less than the sum of the digits
>>> of the factors.
>>>
>>> Rule for division
>>> If, when dividing, the slide protrudes at the left-hand end of the
>>> stock, the number of digits in the result is found by subtracting the
>>> number of digits in the divisor from the number in the dividend. If the
>>> slide protrudes to the right the number of digits in the result will be
>>> one greater that the difference between the numbers of digits in the
>>> dividend and divisor respectively."
>>>
>>> Any one else have a spiral slide rule? Mike
>>>
>>>
>>>
>>>
>>>
>>> --
>>> _________________________________________________________________
>>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
>>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>>
>>>
>>
>>
> --
> _________________________________________________________________
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
-- 
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/

<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz