Adders on a plane? (Of course, if you're in steerage, perhaps only half-adders?) At 10:10 AM 3/24/2018, Seb Perez-D wrote:

Apparently not a T-shirt but still about math in a plane (probably not a Euclidean one)

Email from Warren Smith 8 May 2016 with content on: Professor's airplane math leads to flight delay AP 6:01 p.m. EDT May 7, 2016

Cheers

Seb

On Sat 24 Mar 2018 at 14:50, Bill Gosper <billgosper@gmail.com> wrote:

...

over a math T-shirt they didn't understand? --rwg