Napier John

Na·pi·er

 (nā′pē-ər, nə-pîr′), John Laird of Merchiston. 1550-1617.
Scottish mathematician who invented logarithms and introduced the use of the decimal point in writing numbers.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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