Posts tagged with 'scientific'


Commodore SR4921

Back in the day, the second calculator I owned was a Commodore SR 4190R, a fun little beast. Once I’d found a replacement for the one I had (it’d got lost at some point) and I’d found an example of its more “experienced” brother, the SR 9190R, I decided to try and get copies of all the similarly-bodied calculators that Commodore had made back in the 70s, maybe half a dozen or so. It didn’t take too long, but there was one of that type that just eluded me, the SR4921. Until earlier this month, that is… […]

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Scientists in Paris

We were vacationing in Paris last week in a hotel in the 16eme arrondissement, just outside the boundary of the 8eme. We’d stayed there before, but I noticed this time that several streets in the vicinity has names commemorating scientists and mathematicians. I thought it would be fun to take pictures of the ones I could find that were close and put them in a collage: […]

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New calculator: Sinclair Cambridge Scientific

While I was away last week in Vegas for the DevExpress Summit, my newest calculator was delivered: the Sinclair Cambridge Scientific. It was with a little bit of apprehension that I opened up the padded envelope on Friday afternoon to see what it looked like and whether it worked properly (sometimes sellers on eBay are a little, er, shall we say, enthusiastic about how good the calculator they’re selling is and somehow neglect to mention various obvious problems). This one was doubly worrying: the seller admitted that he made it from the kit – yes, for some reason, you could buy it as a kit and assemble it yourself: it was slightly cheaper than buying it pre-assembled. […]

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New calculator: Sinclair Scientific

I admit it, I am a helpless geek: I love collecting old calculators and computing devices. My wife thinks I'm bananas, and she may be right, but there's just something about holding something from the dawn of calculating electronics. […]

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