News for hackers. Stuff that matters.

A comment on World's steepest funicular railway opens in Switzerland. Parent comment

Re:World's steepest funicular railway opens in Switzerland by frede on Sunday December 17, 2017 @05:17AM (#15945127)
If you plotted the altitude with a function f(x), it's just the derivative f'(x) expressed in percent.
[ Parent | on HN ]

There are no comments on this comment yet.