Having no longer a programmable HP calculator, I use the emulator for windows, see http://www.hp41.org/Emulation.cfm
No wear out - and great fun if you are used to calculate in HP mode. Henk > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of P. J. Alling > Sent: 22 May, 2007 5:42 PM > To: Pentax-Discuss Mail List > Subject: Re: Don't want to sound too alarmist but... > > > Electronics wear out just like anything else. Cycling it on and off > creates heat stress in connections at the very least. Mechanical > switches are a week point they wear out from physical > movement, seals at > those points wear as well, and replacement parts after 30 > years will be > made out of Unobtainium . Even if the electronics survive, batteries > can be a problem. I have a small collection of HP > calculators that are > at least 30 years old that would work perfectly except that > batteries in > the proper form factor are no longer manufactured. I recycled the > plastic shells until they could no longer be re-assembled. > After that > it was easier to just buy a crappy new calculator. (Luckily when my > original HP 42s crapped out, (keyboard failed), the > replacement HP sent > me used S76 cells, instead of the original PX13s...) > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
