More HW from OpenMoko

[Jose Manrique Lopez de la Fuente]

Some bytes for the software side:
http://nonpareil.brouhaha.com/
http://www.hpcalc.org/details.php?id=4382
http://www-fourier.ujf-grenoble.fr/~parisse/giac.html

2008/6/28, Joerg Reisenweber <joerg at openmoko.org>:
> Am Sa  28. Juni 2008 schrieb steve:
>> RPN please.
>>
>> Actually it would be cool to do retro versions of the old HP prgrammable
>> calcs ( 12 etc etc)
>> Hehe, like donkey kong on the PC.
>>
>
> ACK.
> Though it's hard to emulate the really lovely keys those calculators (25,
> 41)
> had, tactile feedback and all. (TI otoh had bouncing keys that made me smash
> some of their calculators. more fun to smash than to use ;-)
> Waah, my 41CV went up in smoke recently, stored in my bookshelf that burned
> down ;.( *sigh*
> Also the info function (HP41 only?) on any keypress longer 2sec was *very*
> smart, probably a patent of HP. (you remember? hold key down to show what's
> going to happen when you release it. Hold down for >2sec to pre-cancel the
> actual pending release action, in case info shows this wasn't what you
> intended to do)
>
>
> /jOERG
>
> http://www.hpmuseum.org/simulate/sim45.htm "press 'run'"
> http://www.linuxfocus.org/common/src/article319/
> http://www.linuxfocus.org/common/src/article319/rpnjcalc.html
> http://www.linuxfocus.org/common/src/article319/hp-35/launch.html
> http://www.linuxfocus.org/common/src/article319/hp-35.zip
> http://www.linuxfocus.org/common/src/article319/x48.html
> http://www.hpcalc.org/details.php?id=4524
>
> http://www.ibiblio.org/pub/Linux/apps/math/calc
> http://directory.fsf.org/project/rpncalc/
>
> recommended:
> http://www.hpmuseum.org/hp35.htm
>> A few bugs got through this process. For example: 2.02 ln ex resulted in 2
>> rather than 2.02. When the bug was discovered, HP had already sold 25,000
>> units which was a huge volume for the company. In a meeting, Dave Packard
>> asked what they were going to do about the units already in the field and
>> someone in the crowd said "Don't tell?" At this Packard's pencil snapped
>> and he said: "Who said that? We're going to tell everyone and offer them,
>> a
>> replacement. It would be better to never make a dime of profit than to
>> have
>> a product out there with a problem". It turns out that less than a quarter
>> of the units were returned. Most people preferred to keep their buggy
>> calculator and the notice from HP offering the replacement.
>


-- 
J. Manrique López de la Fuente
http://www.jsmanrique.es