Some of you will know me through my website, the Museum of Soviet Calculators (http://www.taswegian.com/MOSCOW/soviet.html). To enable myself to shoot for a...
When electronic calculators started replacing mechanical calculators in the 1970s I bought several mechanical calculators and one electronic calculator. All of...
Robert J. Baron
baron@...
Mar 7, 2002 4:44 pm
299
We all know the wonderful Compucorp calculators of the 3xx line. Most common in my opinion are the 324 Scientist. Recently two machines called 325 and 327 were...
Hi Folks, I've made good on a promise and scanned the Intel8008 datasheet. Dunno if there ever was a calculator with this chip but anyway you can fetch them in...
Hello, I own a Melcor SC-535 scientific calculator which I would like to restore. I was wondering if anyone happens to know anything about the batteries for...
Hi to all Does anyone have any info on a Toshiba BC-1491 GR. I haven't actually seen the calculator, but I am told that it has a card reader BR-101 Can't find...
Hi fellow calculator collectors. Recently I got the datasheet of the MK50075 and MK50100 calculator chipset found in some UPN calculators from Privileg, Omron,...
Jay, can you email me back. (budirusso@...). I have an off topic question to ask you regarding an Olivetti typewriter. I tried your email adress's but...
Mr. Sampson is a postal historian, and is looking for a Burroughs logo like the six point star with a B in the middle on this ribbon box offered on ebay. If...
Ernie Jorgenson
ejorgens@...
Apr 13, 2002 1:11 am
309
Calculator Quirks #010 The Lloyd's 320 and 321 are almost identical. Both are fluorescent 4-key memory mini-scientifics with square-root, 1/x and x-squared...
Bob Patton
patton@...
Apr 15, 2002 1:10 am
310
I've been reluctant to write and complain about Joe Rigdon but I've received other complaints from two other people who have also apparently been ripped off...
I just uploaded a new exhibit (the first in quite some time) in the Old Calculators Web Museum (http://www.geocities.com/oldcalculators) on the SCM/Marchant ...
I must put in a word of support for Joe. He is a good person who I cannot envision intentionally "ripping off" someone who has sent calculators to him. Joe...
The use of the Rnd key on Casio calculators is not necessarily clear, even from some of their manuals. I finally found a manual that did explain it. In case...
Bob Patton
patton@...
Apr 30, 2002 12:07 am
314
Radio Shack now sells a 1.5V/3V to 9V DC converter. This is a do-it-yourself kit (990-0236) available from mail order only. It puts out 60 ma from 2 AA cells...
Bob Patton
patton@...
May 8, 2002 12:23 am
315
Dear friends! 1. My web site "Soviet calculators collection" has moved to a new location at: http://www.rk86.com/frolov/calcolle.htm Please update your...
Sergei Frolov
frs@...
May 19, 2002 3:38 pm
316
Like you, I get a lot of calculators without manuals. Also I get duplicate calculators, but have only one manual. In either case as time allows and if I can ...
Bob Patton
patton@...
Jun 1, 2002 12:45 am
317
I found a SHARP CE-126P printer and cassette interface. What calculator does it match up with...? mblum...
Wish I could help you, but I don't know Ernnie Jorgenson ... From: mblum To: oldcalcs Sent: Saturday, June 22, 2002 6:50 PM Subject: [oldcalcs] Question I...
Ernie Jorgenson
ejorgens@...
Jun 24, 2002 11:51 pm
319
Calculator Quirks #011 Try 3 X 5 + 2 = on a Unisonic 890. You get 6. Same thing happens on an NS 500. Try it on an Atlas-Rand 240/Berkey Keystone 350 and see...
Bob Patton
patton@...
Jul 3, 2002 12:45 am
320
... The purpose was to make the calculator behave similarly to electromechanical adding machines. On those machines, the "+" key was often labelled "+=" or...
... Agreed, arithmetic logic emulated the adding machine. Many early calculators used this, but most had += and -= keys to indicate it. The calculators cited...
Bob Patton
patton@...
Jul 12, 2002 11:47 pm
322
This is a machine from my persona collection. I don't think a machine like this, that is NIB, will ever be offered on ebay again. But what do I know.. ...
Ernie Jorgenson
ejorgens@...
Jul 21, 2002 11:11 pm
323
I hope someone can post this to the electronic calc List. (My time's short, just now.) I do hope the purchaser will appreciate it, and keep it for posterity. ...
On the theory that many old calcs fans have interests in new calcs, too, can anyone recommend any web sites for HP 48G users? I was thinking in particular of...
Bob Patton
patton@...
Jul 24, 2002 1:12 pm
325
... try www.hpcalc.org and www.hpmuseum.org Tom Lianza Technical Director Sequel Imaging Inc. 25 Nashua Rd....
Bob Patton wrote: "On the theory that many old calcs fans have interests in new calcs, too, can anyone recommend any web sites for HP 48G users? I was thinking...
