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OldCalculatorForum

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Welcome to the Old Calculator Forum for discussion of mechanical and early electronic calculators, especially those of the time of rapid technical development before 1980.

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Jean van Lerberghe, Piotr Jachymczyk2

Sep 11

old calculators: any interest in europe?

Hello, actually yes, I wrote to you on 2dehands but I didn't receive the answer yet... I was

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old calculators: any interest in europe?

Hello, actually yes, I wrote to you on 2dehands but I didn't receive the answer yet... I was

Sep 11

Robin lemer, … Jack Rubin4

Aug 29

Mercedes Fritz Palm [Berlin] adding machine

:>) From: oldcalcul...@googlegroups.com <oldcalcul...@googlegroups.com> On

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Mercedes Fritz Palm [Berlin] adding machine

:>) From: oldcalcul...@googlegroups.com <oldcalcul...@googlegroups.com> On

Aug 29

Sirous Nekooei, Francisco Vazquez2

Aug 6

Canon P-10 D help

Hello. I'm attaching photos of my calculator. If you need more photos please let me know. Note:

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Canon P-10 D help

Hello. I'm attaching photos of my calculator. If you need more photos please let me know. Note:

Aug 6

Pontus Pihlgren, JAY RESPLER3

Aug 4

For sale: Wang 362E with accessories

If I didn't already have one :) I'm more into even older stuff like DEC PDP and similar

unread,

For sale: Wang 362E with accessories

If I didn't already have one :) I'm more into even older stuff like DEC PDP and similar

Aug 4

Jul 28

Marchant KB --> KE calculator looking for a new home

Hello Group, I have an early Marchant KB rotary calculator which has been converted to electric drive

unread,

Marchant KB --> KE calculator looking for a new home

Hello Group, I have an early Marchant KB rotary calculator which has been converted to electric drive

Jul 28

Alan Jones, … Owen Savill7

Jul 26

Anita mk 9, 10, 11 and 12 calculators

Hi Sheila, so sorry to hear about Alan, of course I understand about cancelling the visit. I hope he

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Anita mk 9, 10, 11 and 12 calculators

Hi Sheila, so sorry to hear about Alan, of course I understand about cancelling the visit. I hope he

Jul 26

calcucris, machinea...@wanadoo.fr2

Jun 10

LeHigh calculator

Hello Cris No for me Christophe De : oldcalcul...@googlegroups.com <oldcalculatorforum@

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LeHigh calculator

Hello Cris No for me Christophe De : oldcalcul...@googlegroups.com <oldcalculatorforum@

Jun 10

Don R (Xerox6085), … Rick Bensene7

Jun 9

Rick Bensene - Old Calculator Museum

Hi, Chris, Thank you so kindly for your thoughtful message. I'm doing pretty well, considering

unread,

Rick Bensene - Old Calculator Museum

Hi, Chris, Thank you so kindly for your thoughtful message. I'm doing pretty well, considering

Jun 9

Stephan Vanderlooven, J Ongena2

May 24

Dag Stephan, mijn email is jefo...@gmail.com. Laat maar weten wat er scheelt aan je rekenmachine.

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Dag Stephan, mijn email is jefo...@gmail.com. Laat maar weten wat er scheelt aan je rekenmachine.

May 24

Cristian Arezzini, … Rich Walker25

May 5

Two new-old-stock Olivetti Divisumma 24

Hi Mark, Thank you very much for these links, it looks like the documents will be very useful to me.

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Two new-old-stock Olivetti Divisumma 24

Hi Mark, Thank you very much for these links, it looks like the documents will be very useful to me.

May 5

snek...@gmail.com, … Nigel T5

Apr 16

Introducing My Vintage Calculator Collection Website

Dear Steve, Dear @mg Dear Nigel Tout Dear Jef Ongena Thank you all so much for your thoughtful and

unread,

Introducing My Vintage Calculator Collection Website

Dear Steve, Dear @mg Dear Nigel Tout Dear Jef Ongena Thank you all so much for your thoughtful and

Apr 16

Mar 11

1973 Unisonic calculators (1212 and 737)

Hi all, Does anyone happen to have the Instruction Manual / User manual for either the Unisonic 1212

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1973 Unisonic calculators (1212 and 737)

Hi all, Does anyone happen to have the Instruction Manual / User manual for either the Unisonic 1212

Mar 11

Condomínio Magnólia, … Louis Angelucci5

Mar 6

Sales of old calculators

Sorry, Louis, I just want to sell. I don't have time to continue with this anymore. I'm going

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Sales of old calculators

Sorry, Louis, I just want to sell. I don't have time to continue with this anymore. I'm going

Mar 6

Geoff Poskitt, … alan-uk5

Feb 16

Brunsviga 13RM renovation

Thank you Alan, Good to hear that oil and patience can work. And indeed my calculator is working very

unread,

Brunsviga 13RM renovation

Thank you Alan, Good to hear that oil and patience can work. And indeed my calculator is working very

Feb 16

kamonwan und joerg steinke, … René Henry3

Feb 4

CASIO COLLEGE FX very very RAR

Je possède une collection de près de 800 calculatrices de ce type et bien sûr des plus rares encore.

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CASIO COLLEGE FX very very RAR

Je possède une collection de près de 800 calculatrices de ce type et bien sûr des plus rares encore.

Feb 4

kamonwan und joerg steinke, … Douglas Miller4

Jan 28

Casio FX-602 P Vinted same new

I would suggest posting a link to the ebay sale on the list, as that will probably get to Rick the

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Casio FX-602 P Vinted same new

I would suggest posting a link to the ebay sale on the list, as that will probably get to Rick the

Jan 28

La Ymir Gryffindor

Jan 28

La Ymir Gryffindor unread, 10:04 (6 minutes ago) to oldcalcul...@googlegroups.com I tried to email

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La Ymir Gryffindor unread, 10:04 (6 minutes ago) to oldcalcul...@googlegroups.com I tried to email

Jan 28

Gideon Huddleston

12/2/24

RARE!! BUSICOM LE-120A calculator

I have this busicom le-120a calculator. I know it's a rare calculator so I'm wanting to know

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RARE!! BUSICOM LE-120A calculator

I have this busicom le-120a calculator. I know it's a rare calculator so I'm wanting to know

12/2/24

11/24/24

Tiger calculator manual?

I have a working Tiger mechanical calculator (1930s) that I want to give as a gift. It would be great

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Tiger calculator manual?

I have a working Tiger mechanical calculator (1930s) that I want to give as a gift. It would be great

11/24/24

Andrew Clark, Gordon Bendall2

10/26/24

Marchant Deci-Magic Information

Photos available of ACT10M internals if that would help? Can you be more specific about the problem

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Marchant Deci-Magic Information

Photos available of ACT10M internals if that would help? Can you be more specific about the problem

10/26/24

Seth Lipkin, … mfr...@rcn.com10

10/17/24

Antique mechanical collection, including Millionaire, TIM (Time Is Money), etc.

Hi Cris, If you ever come to the US I'd be happy to show you Astronomical skeleton clock Mark

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Antique mechanical collection, including Millionaire, TIM (Time Is Money), etc.

Hi Cris, If you ever come to the US I'd be happy to show you Astronomical skeleton clock Mark

10/17/24

more...@gmail.com

9/27/24

Anita MK 9 restoration - again

Hello! I have Anita MK 9, and I am trying to repair it for years. I have exchanged broken dekatron

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Anita MK 9 restoration - again

Hello! I have Anita MK 9, and I am trying to repair it for years. I have exchanged broken dekatron

9/27/24

9/17/24

Springs information

I'm currently working on a Brunsviga 13RK, and had to dismantle the rotor with its W-shaped

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Springs information

I'm currently working on a Brunsviga 13RK, and had to dismantle the rotor with its W-shaped

9/17/24

jefo...@gmail.com, … Dennis Tuckerman19

8/26/24

Compucorp 326 Scientist -- repair info needed

I've always wondered whether the 'old' in 'oldcalculatorforum' applied to my

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Compucorp 326 Scientist -- repair info needed

I've always wondered whether the 'old' in 'oldcalculatorforum' applied to my

8/26/24

hossnerbiz, Adam Jones3

6/7/24

HP41-CV woke up dead

Adam - I'm back in business! I re-flowed all the solder joints, both ends of the connector

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HP41-CV woke up dead

Adam - I'm back in business! I re-flowed all the solder joints, both ends of the connector

6/7/24

6/7/24

Re: [oldcalculatorforum] Digest for oldcalculatorforum@googlegroups.com - 1 update in 1 topic

My apologies; the link in that previous reply should have been: HHC 2024 hhuc.us

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Re: [oldcalculatorforum] Digest for oldcalculatorforum@googlegroups.com - 1 update in 1 topic

My apologies; the link in that previous reply should have been: HHC 2024 hhuc.us

6/7/24

M. S., osa...@gmail.com4

6/4/24

TI SR-52 restoration problem

<https://www.hpmuseum.org/forum/thread-2804.html>

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TI SR-52 restoration problem

<https://www.hpmuseum.org/forum/thread-2804.html>

6/4/24

Charles Walag, … Tayyaba Mustafa5

6/1/24

Monroe 820 Calculator

A grade calculator is a tool designed to help students and educators quickly compute grades based on

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Monroe 820 Calculator

A grade calculator is a tool designed to help students and educators quickly compute grades based on

6/1/24

5/16/24

Sharp Calculator EL-8140 - Anyone collecting this type?

Hi all, Just doing some research on my old Sharp Calculator EL-8140 Anyone collecting this type? I

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Sharp Calculator EL-8140 - Anyone collecting this type?

Hi all, Just doing some research on my old Sharp Calculator EL-8140 Anyone collecting this type? I

5/16/24

Simon Crouch, … Helen May8

5/14/24

Lots of Anita Calculators

Hi. Of course, we will be interested as donation, as we have a very limited funding from volunteer

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Lots of Anita Calculators

Hi. Of course, we will be interested as donation, as we have a very limited funding from volunteer

5/14/24

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