MrWhoopee H-M Supporter - Gold Member H-M Supporter Gold Member Joined Jan 20, 2018 Messages 5,924 Jun 25, 2019 #11 x-y-z axes are derived from the Cartesian coordinate system (named after Rene Descartes) used in mathematics.
x-y-z axes are derived from the Cartesian coordinate system (named after Rene Descartes) used in mathematics.
pontiac428 John Newman H-M Lifetime Diamond Member Joined Apr 23, 2018 Messages 6,923 Jun 25, 2019 #12 Okay, Mr. Whoopee, now you're putting Descartes in front of the horse.
hman Active User H-M Lifetime Diamond Member Joined Feb 17, 2013 Messages 4,417 Jun 25, 2019 #13 Arf! I'm just about hoarse with laughter!!! Last edited: Jun 25, 2019