that was because you didn't sum the previous value of result or probably you did =+

had this, threw an error because did 4 instead of 5 at the first test idk

nowadays you can use for...of

Well, let's just assume that Captain Haversine is a pirate and goes by his own rules :)

... and that's why it's important to have domain experts when working on software :)

I like this one, because it brings me back to my sea-going years. :-)
Note that TRUE nauticals never use notation degrees / minutes / seconds, but degrees, minutes and their decimals.
Like this: 51-48.3 N 004-54.4 W
And a captain will usually prefer a loxodromic course, especially for small distances, to avoid minute course changes every fifteen minutes or so.

I also enjoyed it very much.

Fantastic kata that really learns you something!

Rounding requirement has been removed.

Fixed, but needs random tests.

so which kata made you 1dan? ;-)

Missing random tests for CoffeeScript

Mostly fixed, will raise separate detailed issue on what's still missing.

Info added to description.

Approved, but needs to be fixed.

Added.