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A excerpt from Hand Calculators for the Seagoing Coast Guard - A Survey, CAPT C. W. Koburger, Operations and Environmental Technology Division, U.S. Coast Guard Headquarters, FALL 1997, pgs. 39-47.

  To collect, collate, and evaluate information on a representative sample of available hand calculators (“miniature programables") as they relate to navigation and to other maritime uses, and to present the results in a coherent paper for possible use by the U.S. Coast Guard.

  … hand calculators are now, and will continue to be, widely used for navigation, seamanship, and many other maritime purposes, daily, by the working marine community, professional as well as amateur. On smaller vessels, these calculators are a major tool; on larger ones, they are an auxiliary."

The nine-page article includes HP models 21, 25, 27, 45, 55, 65, 67 & 91, TI models 50, 51, 52 & 56, Rockwell 64-RD, Nautec NC-2.


ps: use the 'gear' icon (far right) in the BOOKS ribbon for the download link.
Great article. Good to see that the best calculator won! :-)

Nigel (UK)
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