Date: Sun, 08 Apr 2001 18:50:25 -0700 From: "Alan S." Subject: Re: [off-topic] shutting down To: opendos AT delorie DOT com Message-id: <3AD11561.F495D94F@cornell.edu> MIME-version: 1.0 X-Mailer: Mozilla 4.76 [en] (Win95; U) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Accept-Language: en References: <2 DOT 07b7 DOT V7YB DOT GBFYZF AT belous DOT munic DOT msk DOT su> <3 DOT 0 DOT 5 DOT 32 DOT 20010408065215 DOT 008d0c70 AT earthlink DOT net> <3AD0B200 DOT BD3CAFFB AT cornell DOT edu> <2 DOT 07b7 DOT 17EZV DOT GBHR7X AT belous DOT munic DOT msk DOT su> Reply-To: opendos AT delorie DOT com Alan S. wrote: > Let's all just be grateful that the metric degree [100 to each right > angle!] died a quick death. "Arkady V.Belousov" wrote: > Why? 90 degree right angle: 90 = 2 x 3^2 x 5 90 can be (integer) divided by 2, 3, 5, 6, 9, 10, 15, 18, 30, 45 100 Metric degree right angle 100 = 2^2 x 5^2 100 can be (integer) divided by 2, 4, 5, 10, 20, 25, 50 equilateral triangle is 3 x 66 2/3 degrees. Pre calculator & pre computer 90 was considered easier to use than 100 -- plus there was lots of resistance to the change. "Arkady V.Belousov" wrote: > NIH=? "Not Invented Here" (...and thus the 'wrong' solution!)