On 8-10-2018 22:07, Kenneth wrote:
> But the ironic thing is, I don't *think* that I've ever had to actually USE
> calculus during my lifetime(!) So my 'mental machinery' has become quite rusty.
> Yet, trig concepts-- the basic ones-- have always stuck with me. And I do find
> uses for those from time to time.
> 

I join Kenneth with my own thanks too. I would add to that that I never 
ever was taught vector calculus (like dot product) either. And as for 
use in RL (professionally or otherwise): no, never. So, nice new 
knowledge indeed!

-- 
Thomas

Post a reply to this message