My first exposure to HP calculators was a desktop nixie tube calculator
in 1970, was in my calculus class, they had 6 of them.
I still have a pair of HP 35's, both work, but I use newer versions.
Their batteries last longer.
pat
On Sun, Oct 6, 2013 at 3:55 PM, Ahne Oosterhof wrote:
> RPN: reverse polish natation; no need for the '=' sign.
> Still got them and use them!
>
> Ahne.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge Hernefjord
> Sent: 6 October, 2013 14:26
> To: [log in to unmask]
> Subject: Re: [TN] NTC for today
>
> Thouse with building stacks, yes.
> 4(2+3)
> 2
> 3
> +
> 4
> x
> = 20
>
> Inge
>
>
> On 6 October 2013 03:38, Robert Kondner <[log in to unmask]>
> wrote:
>
>> The old HP calculators had masked ROM for code and a little RAM for
>> temps.
>> I recall.
>>
>> I do remember stories about code simulation because of the ROM
>> expense.
>>
>> Bob K.
>>
>> -----Original Message-----
>> From: TechNet [mailto:[log in to unmask]] On Behalf Of Steven Creswick
>> Sent: Saturday, October 05, 2013 9:07 PM
>> To: [log in to unmask]
>> Subject: Re: [TN] NTC for today
>>
>> Did each station monitor a different set/piece of telemetry?
>>
>>
>>
>> My HP calculators likely had as much processing ability as the LEM
>> computer.
>> Weren't they still using core memory as well?
>>
>>
>>
>> Steve
>>
>>
>>
>> From: Inge Hernefjord [mailto:[log in to unmask]]
>> Sent: Saturday, October 05, 2013 5:13 PM
>> To: TechNet E-Mail Forum; Steven Creswick
>> Subject: Re: [TN] NTC for today
>>
>>
>>
>> I'm afraid it's not a space plane but just a plan.
>> Actually, there is something I always wonder about. Go back to Neil
>> Amstrong and that time...Apollo, for instance. The computers at that
>> time were simple, compared to today's machines. I know, because I
>> passed a glass box every day before I entered the clean rooms. In
>> that box was Apollo's main computer, which we built. Lot's of
>> transistors, most TO-18 and TO-5.
>> Specked
>> with 2N1893, 2121, 2902, which were very popular. Back to the
>> path.....as I said, very simple stuff. The main functions were 'small
>> push/pull rockets and main rockets, as long as the service module and
>> the astronaut capsule were together. And communication radios. And
>> sensors of various nature...but in alles rather uncomplicated
>> electronics. My question: The central station in Houston was a large
>> room with lots and lots of work stations. A hundred persons "worked"
>> there, all with their noses close to the many large computer
>> displays.Why was it necessary with such many work stations?
>>
>> Inge
>>
>>
>>
>> On 5 October 2013 20:13, Steven Creswick <[log in to unmask]>
>> wrote:
>>
>> Hey,
>>
>>
>>
>> I read somewhere that Sweden is making a spaceplane. How about a
>> ride on that, and play the Blue Danube?!!!
>>
>>
>>
>> Have a good time cruising!
>>
>>
>>
>> steve
>>
>>
>>
>> From: Inge Hernefjord [mailto:[log in to unmask]]
>> Sent: Saturday, October 05, 2013 1:17 PM
>> To: TechNet E-Mail Forum; Steven Creswick
>>
>> Subject: Re: [TN] NTC for today
>>
>>
>>
>>
>> Thank you, buddy,
>> take care ya'self.
>>
>> Inge
>>
>>
>>
>> On 5 October 2013 02:43, Steven Creswick <[log in to unmask]>
>> wrote:
>>
>> It's probably already tomorrow there, but happy belated birthday
>> Inge!
>>
>> Steve
>>
>>
>> -----Original Message-----
>> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ed Popielarski
>> Sent: Friday, October 04, 2013 3:32 PM
>> To: [log in to unmask]
>> Subject: [TN] NTC for today
>>
>> It's Ingemar Hernefjord's birthday today!
>>
>> Happy Birthday, Inge!
>>
>> Ed Popielarski
>> Engineering Manager
>>
>> [Description: FullLogo]
>> 970 NE 21st Ct.
>> Oak Harbor, Wa. 98277
>>
>> Ph: 360-675-1322
>> Fx: 206-624-0965
>> Cl: 949-581-6601
>>
>> https://maps.google.com/maps/myplaces?hl=en
>>
>> <https://maps.google.com/maps/myplaces?hl=en
>> <
>>
>
> https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&spn=0.
>> 011188,0.033023&ctz=420&t=m&z=16&iwloc=A>
>> &ll=48.315753,-122.643578&spn=0.
>> 011188,0.033023&ctz=420&t=m&z=16&iwloc=A>
>> &ll=48.315753,-122.643578&spn=0.0
>>
>> 11188,0.033023&ctz=420&t=m&z=16&iwloc=A
>>
>>
>>
>> ______________________________________________________________________
>> This email has been scanned by the Symantec Email Security.cloud
>> service.
>> For more information please contact helpdesk at x2960 or
>> [log in to unmask]
>> ______________________________________________________________________
>>
>>
>>
>> ______________________________________________________________________
>> This email has been scanned by the Symantec Email Security.cloud
>> service.
>> For more information please contact helpdesk at x2960 or
>> [log in to unmask]
>> ______________________________________________________________________
>>
>>
>>
>>
>>
>>
>> ______________________________________________________________________
>> This email has been scanned by the Symantec Email Security.cloud
>> service.
>> For more information please contact helpdesk at x2960 or
>> [log in to unmask]
>> ______________________________________________________________________
>>
>>
>>
>>
>>
>>
>> ______________________________________________________________________
>> This email has been scanned by the Symantec Email Security.cloud
>> service.
>> For more information please contact helpdesk at x2960 or
>> [log in to unmask]
>> ______________________________________________________________________
>>
>>
>>
>> ______________________________________________________________________
>> This email has been scanned by the Symantec Email Security.cloud
>> service.
>> For more information please contact helpdesk at x2960 or
>> [log in to unmask]
>> ______________________________________________________________________
>>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
> service.
> For more information please contact helpdesk at x2960 or
> [log in to unmask]
> ______________________________________________________________________
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud
> service.
> For more information please contact helpdesk at x2960 or
> [log in to unmask]
> ______________________________________________________________________
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask]
______________________________________________________________________
|
