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Welcome to

Last Major Update 4/22/2019

This site (pail.bensene.com) hosts a development version of the Old Calculator Museum website. Please click THE OLD CALCULATOR MUSEUM to be directed to the production version of the website. Continuing on this site can lead you to dead links, incomplete and missing pages, and potentially confusing, conflicting or incorrect information. In general, one will not be well served by continuing on from here. Please go to the production version of the site. Thank you.

Visitors to the Old Calculator Museum web site may note a lack of major updates to the site over the course of about three and a half years. This isn't for lack of passion or desire to do so. The curator of the museum has been confronted with a series of challenges since the early part of 2019 that that have caused significant disruption to the curator's life. The story is long and personal, and is best left private . It is hoped that by late 2022 progress will start to be made toward adding more content. There is a large backlog of new calculators to document as well as a lot of updates to existing exhibits that need to be made. Thank you all for your patience and understanding during this difficult period.

Welcome to the Old Calculator Web Museum. Let me introduce myself. I'm Rick Bensene, the curator of this museum. I live in a rural area outside of Oregon City, Oregon USA (near the end of the Oregon Trail), called Beavercreek, and am a computing/ network/telecommunications professional. I've been a fan of all kinds of technology since I was a youngster. I have had a fascination with calculating machines, most specifically, electronic calculating machines, since I first saw a desktop electronic calculator when I was very young. I have carried this fascination with me through my life, and the Old Calculator Museum is a reflection of the passion I have with these wonderful old relics of our technological history.

The museum pages aren't fancy, focusing on content rather than frills. This museum is devoted to preserving, documenting, and sharing the technology of desktop electronic calculating machines -- from the very beginning of the electronic calculator in the early 1960's through the early beginnings of the pocket calculator of the early 1970's. Much of the technology that we enjoy today, such as personal computers, smart phones, tablets, gaming systems, and myriad other devices with microprocessor "brains", have their genesis in the technologies developed as a result of the electronic calculator.

For more information about the museum, please see the FAQ (Frequently Asked Questions).

The Old Calculator Museum is always looking for old electronic calculators of interest. If you have an old calculator that was made between 1950 and 1975, the museum may be interested in making it a part of the collection. For more information about specific machines the museum is interested in acquiring, see the WANTED page. If you have an old calculator which seems to fit these interests and are looking for a new home for it, please send an EMail with information about your calculator.

Click in any of the "displays" to jump to the areas indicated.

Calculators in the Museum

Calculator Advertising & Documentation Archive

Calculators & Accessories Wanted for the Museum

Articles on Calculator History and Technology

Links to Other Calculator Sites

These pages are dedicated to the loving memory my Mom, Connie Bensene, my Aunt, Dyann Webb, and of George and Emma Sayers, my Godparents. They are all people who had a major impact on my life, and hold a very special place in my heart.

Site text and images Copyright ©1997-2023, Rick Bensene & The Old Calculator Museum