Decker, Ezechiël de
The Durtchman Ezechiël de Decker (1603 - 1646) was a skilled computator, geometry and arithmetic teacher, and surveyor.
He calculated the common logarithms of the numbers 20,001 to 90,000 that were missing in the original works of Henry Briggs, to ten decimal places.
See also
Last modified:10 January 2026 1.06 p.m.