decimalist

decimalist

(ˈdɛsɪməlɪst)
n
(Units) a person who is in favour of decimalism
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
It opens the contemporary, "decimalist" preoccupation with anniversaries up to a scrutiny that is insightful, witty, and embarrassing.
At the end of 2014 the newspaper Suddeutsche Zeitung announced a list of jubilees: "Runde Sache-Jubilaen 2015" with "rounded" dates according to the decimalist model, counting down from 600 (Jan Hus) to 200 (Waterloo and the kingdom of the Netherlands) to 10 years (the first video on Youtube) (Runde 2014).