On 2017-09-08 10:52, Emanuel Berg wrote:
Skip Montanaro wrote:

* Why the 1.0 divisor when computing gear?

As explained, otherwise it'll be integer
division. But I think that qualifies as a hack
(not an ugly hack tho) so there is no shame in
spotting it an "error"

* You can skip the radius and use wheel
(diameter) directly in computing
the circumference.

Right!

* It never occurred to me to do this in Lisp.
I always just use an online calculator, like:

http://www.gear-calculator.com/?GR=D...&SL=2.6&UN=KMH

Let's agree there is no need to do it in Lisp.
Only a desire


Why make things complicated? I do such stuff with spreadsheets. That's
what they were invented for. Part of every office software including
free ones.

--
Regards, Joerg

http://www.analogconsultants.com/