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 <[EMAIL PROTECTED]>: > 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 _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community