Jerry Merryman, Co-Inventor of the Pocket Calculator, Dies at 86 - The New York Times
Photo: THE NATIONAL MUSEUM OF AMERICAN HISTORY MARKS THE 40TH ANNIVERSARY OF HAND-HALD CALCULATORS - WAPG2007092502 - UPI.com
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Several Texas Instruments hand-held calculators are displayed during a ceremony to mark the 40th anniversary of the invention of the electronic calculator at the National Museum of American History in Washington on
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Calculator - Wikipedia
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