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Old 08-23-2018, 10:00 PM
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Default Re: Fucking education! How does it work?

Originally Posted by Ensign Steve View Post
Also I enjoyed this bit of historical perspective:

High school students must learn to use the secant function, 'sec x,' as an abbreviation for the reciprocal of the cosine function, '1 / cos x,'. That
this particular shorthand, a holdover from fifteenth century nautical tables, is still with us (whereas others, such as the "versine" have died out) is mere historical accident, and is of utterly no value in an era when rapid and precise shipboard computation is no longer an issue.

I had occasion to check out versine and haversine recently. Distance between two points given in latitude and longitude.

Free thought! Please take one!

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Thanks, from:
Ari (08-23-2018), Ensign Steve (08-23-2018), lisarea (08-23-2018), The Man (08-23-2018)
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