Hi All! My collection has enlarged by another Russian calculator, the "Eletronika T3-16". This calculator looks like Hewlett Packard HP 9100B but with ICs. ...
I have just added a new exhibit to the Old Calculator Web Museum (http://oldcalculatormuseum.com). The exhibit is on the Toshiba TOSBAC BC-1411 electronic...
Rick, That's a nice writeup! As well, your description of the architecture was a pleasant surprise, showing what a good experienced engineer can figure out. I...
Added the Sharp Compet 241 recently. Currently working on a Sharp Compet 365P, a pretty cool programmable machine from '73. It should be up soon. Rick Bensene...
This list has been very quiet. As a list test here's a bit of trivia. I just got a litronix 2230R new in the box. It's a 4-function LED with memory and square...
Bob Patton
patton@...
Dec 5, 2006 5:40 pm
528
... You remind me of the manual for the Friden EC-132, which for its time was a very fast "square-root machine". Friden worked out some very interesting ...
Nicholas, I'm glad that you found some interesting manuals on my site. Let me know which ones you'd like to have a better copy of and I can try to rescan in...
... Are you looking for a better copy than the one on my site (wass.net/manuals)? I'm afraid that this is about the best I can do, it's in color and pretty...
Hello, Casiotechno site has lost its manuals. :( I am looking for the old Casio SF-4000 or SF-4100 diary manual. If you have one, please inform me. Thanks. ...
Sergei Frolov
frs@...
Dec 30, 2006 5:11 pm
533
Hello Sergei, ... 1. Go to the New Zealand Casio web site http://www.casionz.co.nz/ 2. From the main menu select Support, then Document Search. 3. Type Product...
Piotr Piatek
piotr433@...
Dec 30, 2006 7:44 pm
534
Hello Piotr, PP> 1. Go to the New Zealand Casio web site http://www.casionz.co.nz/ PP> 2. From the main menu select Support, then Document Search. PP> 3....
Sergei Frolov
frs@...
Dec 30, 2006 8:47 pm
535
I picked up an Olivetti Summa Quanta 20 7/8 T for a couple bucks a few months ago. It's sort of amusing to have at work, despite its limitations (addition and...
... Problem is not in the print wheel. It's the accumulator gears underneath in the middle of the machine. -- Jay Respler OLIVETTI SERVICEMAN ADVANCED BUSINESS...
JAY RESPLER
jrespler@...
Mar 14, 2007 6:16 am
537
... underneath in ... Hey Jay, Would it help to lube those gears? If so, would you care to share the secret of how to remove the plastic cover on this machine?...
... Not only help, it's REQUIRED. ... Not screwed. Case has tabs fitting into the machine body. It has to be pried off. -- Jay Respler ADVANCED BUSINESS...
JAY RESPLER
jrespler@...
Mar 17, 2007 6:49 am
539
Hey Jay, I have the bottom of the calculator off now. Ready to start lubing. Not sure what the "accumulator gears" are. Can you describe what I should be...
... Gears in the very middle of the machine directly under the print wheels. ... For the accumulator gears, light oil only, no grease. ... -- Jay Respler ...
JAY RESPLER
jrespler@...
Mar 29, 2007 4:59 am
541
... Gears in the very middle of the machine directly under the print wheels. ... For the accumulator gears, light oil only, no grease. ... -- Jay Respler ...
JAY RESPLER
jrespler@...
Mar 29, 2007 10:17 am
542
Jay, Okay, I got the gears oiled. But there's a new problem. I was using a paper clip to aid in dripping the oil down on to the gears, and the damn thing...
... Should instead use oil can with long spout to get all way into machine. ... It may have fallen all way through. Pry off bottom pan to see if you can find...
JAY RESPLER
jrespler@...
Apr 7, 2007 8:32 am
544
I already have the bottom pan off. Discovering how to get that off was pretty easy. I was oiling the gears from the bottom with my Ames oiler, but the paper...
... In similar cases, I run the machine to see if it clears out the part. If not, I forget about it till it causes a problem (if ever). It could be stuck on...
JAY RESPLER
jrespler@...
Apr 8, 2007 2:15 am
546
My interest is really collecting old DTMF programmable telephone tone diallers. Many of them were calculators with the tone dialling facility as an extra....
On Sat, 23 Jun 2007 12:55:17 -0400, Edward Hyde <eh9999@...> ... Oh, dear. A competent electronic technician (not so commonplace, it seems) should be...
Hi, I have found an official government standards (GOST) for designing calculators. Standards dated 1985th and 1986th years. You may download it from: ...
Sergei Frolov
frs@...
Aug 1, 2007 5:34 pm
549
Hi folks, I know this is somewhat of a spammy message, but I am thinking that folks who like old calculators (like me) might also be folks who like ...
Hi all. My name is Rich Wood and I have a number of still operational old calculators. These include HP models 35, 55, 65 and 67 as well as a Commodore LED ...
Calculators have increased enormously in speed since the early scientifics. I have a Commodore RPN4921 that can take up to 4 seconds or so for some trig,...
