Hergert Numbers were seen around Columbus, Ohio on Saturday. After a visit to the Ohio History Center (above), we checked out Ohio Stadium (a.k.a. "The Horseshoe") on the campus of The Ohio State University (below).
Points where f"(x)=0 or f"(x) is undefined. Spread the word!
Hergert Numbers made their first appearance in Canada as Dr. Paul McCombs represented at the AMATYC Annual Conference in Toronto.
Nothing says 2020 like a Hergert Numbers COVID mask! It's the socially distant way to spread the word.