Jerry Merryman, Co-Inventor of the Pocket Calculator, Dies at 86 - The New York Times

Who invented the electronic calculator? - Quora

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Brilliant' man who was an inventor of the calculator dies

Jerry Merryman, the man who helped invent the hand-held calculator

Jerry Merryman, 'Brilliant' Man Who Invented Calculator, Dies

Jerry Merryman, A 'Brilliant' Man Who Was An Inventor Of The

Brilliant' man was an inventor of the calculator

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