oldcalcs : Messages : 453-482 of 614

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453	Quirk #019 - Factorial or Fiction? Try this on a TI SR-50 or 50A: 9 [sqrt] and see 3. Then [x!] (factorial) You'll get a flashing 2. What happened? Well, the...	Bob Patton patton@...	Jul 7, 2003 2:02 pm
454	Hello Bob, This is very interesting. Calculators, in common, round final value from big number of internal digits to fit to display. For example, on the TI-82...	Sergei Frolov frs@...	Jul 7, 2003 5:33 pm
455	Interesting indeed. But, it gets more complicated. On a TI-36X SOLAR from 1980: 9 sqrt x! gives 6 and 9 sqrt - 3 = 0, but 3 1/x X 3 - 1 = -1e-12 yet 3 1/x x 3...	Bob Patton patton@...	Jul 8, 2003 1:21 am
456	Latest Mini-manual list A mini-manual is a pure ASCII text document that describes the operation of a calculator to some degree. For an e-mail copy of any one...	Bob Patton patton@...	Jul 15, 2003 12:34 am
457	Quirk #020 Novus 650 The Novus 650 is an early 6-digit, LED, RPN, fixed decimal low-cost machine. It had only 15 keys - no ENTER - you had to press C (clear)...	Bob Patton patton@...	Jul 24, 2003 12:42 am
458	... [...] ... Speaking of Novus, the 850 model has an interesting after-market modification. As it came from the factory it was a very simple four-function ...	Dan Veeneman dmveen	Jul 24, 2003 3:14 am
459	Bob, Please send me one example of such a manual. Regards, Joerg ... From: Bob Patton To: oldcalcs Sent: Tuesday, July 15, 2003 2:32 AM Subject: [oldcalcs]...	Joerg Woerner jogibogi	Jul 31, 2003 6:47 pm
460	Hi, Does anyone have a schematic for the Bowmar 901B? All I need is the wiring from the external power connector to the board and switch including the diode id...	Paul E Gifford giff73	Aug 11, 2003 1:56 am
461	If anyone is interested in an HP-85 please contact me directly. Thanks, Bob Patton...	Bob Patton patton@...	Aug 14, 2003 12:55 am
462	Does anyone know how to set the clock and alarm on a Casio CQ-81? Or does anyone have a scan of the instruction manual?...	vrollinger	Aug 19, 2003 10:34 pm
463	One of a collection of oldcalcs algorithms from the days when calculators were simple and algorithms were clever. CASC 008: exponential (e^x) For: calculator...	Bob Patton patton@...	Sep 7, 2003 10:42 pm
464	Hi! I have found very interesting site concerning history of Russian calculators development. 1. Assembly hall. Serial production of calculators. The Kristal...	Sergei Frolov frs@...	Sep 12, 2003 4:35 am
465	Dear Ray, Thanks for the article on the “Recollections of the Walther Company’s Venture into Electronics” – It is excellent! I posted it into the...	James Redin james@...	Sep 17, 2003 5:57 am
466	Dear friends, I forgot to include the address for Ray’s article: http://www.dotpoint.com/xnumber/e_walther.htm Best regards, James ... From: James Redin...	James Redin james@...	Sep 17, 2003 2:38 pm
467	(I'm quoting fully for Dr. Williams' benefit.) ... ============ Reply ============= Sergei, Many thanks for calling our attention to that Web site. It would be...	Nicholas Bodley nikevich	Sep 17, 2003 6:49 pm
468	Hello! In old time, the USSR have stolen some calculator ICs topology. For example, Casio FX-2500 is the Elektronika MK-51 ( ...	Sergei Frolov frs@...	Oct 14, 2003 2:12 pm
469	Dear friends, I received some pictures of a Monroe 600 calculator that instead of keys has a matrix of solenoids. I assume that the idea was to have some...	James Redin james@...	Oct 17, 2003 7:53 pm
470	FYI http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3053701314&category=3294&rd=1 Mike Blum...	mblum emblum02	Oct 17, 2003 9:12 pm
471	The Friden Computyper had an STW (or conceivably an SBT) with solenoids and low-torque rotary switches on the result dials. The calculator mechanism had no...	Nicholas Bodley nikevich	Oct 19, 2003 1:14 am
472	Uncommonly-interesting item, imho. Hope it finds a good home! Regards, -- Nicholas Bodley <#o#> Waltham, Mass. <nbodley@...> Using Opera browser 7.21...	Nicholas Bodley nikevich	Oct 19, 2003 1:17 am
473	I'm trying to capture some of my youth...I once owned a Casio MQ-2 that was given to me by a friend, when I was a teenager. Unfortunately, I broke it beyond...	monalott888	Oct 20, 2003 2:41 am
474	Hi I've got an MQ-1 if thats any use. Peter Gibson ... I'm trying to capture some of my youth...I once owned a Casio MQ-2 that was given to me by a friend,...	Peter Gibson peter_gibson...	Oct 22, 2003 7:03 pm
475	Hi Peter, It's funny, I've come across 3 MQ-1's in the last week, and no MQ-2's....From what I can figure out the MQ-1 is more desirable. I wish that was the...	cyrustonk8@... monalott888	Oct 23, 2003 12:40 am
476	Hi group-mates, I'm looking to buy the following: - Casio IF-8000 - Toshiba LC-836MN - Toshiba Memo Note 60 - Radio Shack EC-4002 Thanks, Evan K., Boston,...	evan evan947	Oct 24, 2003 2:54 pm
477	To all members of the "Old Electronic Calculators" group : I am looking to locate any model of early TRANSISTORISED electronic calculator such as Anita 1000 or...	clive poole clive_poole	Oct 29, 2003 1:44 pm
478	The Anita used tubes and high voltage diodes. Bob ... From: clive poole [mailto:clive_poole@...] Sent: Wednesday, October 29, 2003 5:45 AM To:...	Bob Otnes countinghous...	Oct 29, 2003 5:20 pm
479	Not all Anita calculators used thyratrons/dekatrons and selenium rectifiers. It became clear after a while that the cold cathode technology was too aged and...	Rick Bensene oldcalculators	Oct 29, 2003 6:40 pm
480	Hi all, There is a new website about the story of the Anita calculators at http://www.anita-calculators.info/, with at least some details of all the known...	Nigel Tout nigel.tout@...	Oct 29, 2003 9:06 pm
481	MessageGeoffrey, I do not know of the Decimo Timetraveler model. The nearest name that I have details of is the Decimo Goldfinger World Traveller, which is a...	Nigel Tout nigel.tout@...	Oct 29, 2003 10:32 pm
482	On Wed, 29 Oct 2003 21:09:21 -0000, Nigel Tout <nigel.tout@...> ... Well done, and interesting. We in the USA are probably mostly quite unaware of...	Nicholas Bodley nikevich	Oct 30, 2003 7:17 pm

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