Bowmar MX55 Personal Calculator ("Bowmar Brain")

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  • Details
  • Description
Date Introduced
1971
Photographer
Richards, Mark
Dimensions
1 1/4 x 3 x 5 3/4 in.
Manufacturer
Bowmar/ALI, Inc.
Credit Line
Courtesy of Michael Percy
Copyright Owner
© Mark Richards
Location
United States
Keywords
Pocket size; Electronic calculation
Object ID
102630016

The “Brain” used red LED displays and a calculator chip from Western Digital. Licensed versions were built in Communist Hungary. Bowmar, perhaps the largest calculator manufacturer in 1973, was bankrupt by 1975.