oldcalcs : Old Electronic Calculators

For collectors of old electronic calculators.

List Join Approvals Not Happening? Hello, all, A friend and fellow collector, Gerard Timmerman from the Netherlands, has asked to join this group, but has not received any responses to his Posted - Tue Aug 4, 2009 2:40 pm	Rick Bensene oldcalculators Offline Send Email
Re: Warning - Joe Rigdon ... I'm less reluctant. I sent him my unwell HP-25 in 2000. he diagnosed it as having a bum power supply. I found another in Europe with a good power supply Posted - Sun Apr 12, 2009 3:43 pm	generankin Offline Send Email
Re: Stroboscopic display Nicholas Bodley wrote, regarding the Stroboscopic Display on the Russian ... video ... To my knowledge, no other calculator was ever built utilizing this type Posted - Thu Feb 19, 2009 9:08 pm	Rick Bensene oldcalculators Offline Send Email
Re: Stroboscopic display; HP35s Thank you for the reply. NB> Fascinating! Probably quite a few people never thought of using such a NB> technique for a calc. display. Showing the displayed Posted - Thu Feb 19, 2009 8:16 pm	Sergei Frolov frs@... Send Email
Re: Stroboscopic display; HP35s ... Fascinating! Probably quite a few people never thought of using such a technique for a calc. display. Showing the displayed numbers with video did not make Posted - Thu Feb 19, 2009 7:35 pm	Nicholas Bodley nikevich Offline Send Email
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