From: Katie Wasserman
Email:
Bowmar used "Brain" to refer to several of their pocket calculators. Sometimes they added a qualifier to this: Scientific Brain, Brainchild, etc. but that always had a model number: MX55 901B, etc.. You need to be more specific in your request. You might want to look on ebay there are usually a couple of them for auction at any given time. The 901B, the first one that they made can go for a lot of money (over $100), but most of the other non-scientific ones sell for under $20.
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