Hergert Numbers

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Hergert Numbers Hergert Numbers Hergert numbers are potential inflection points.

Technically, they are x-values where the second derivative of a function is either 0 or undefined.

Jeremy Chamberlain proudly shows off his new Hergert Numbers shirt. He now owns three of them!
04/15/2026

Jeremy Chamberlain proudly shows off his new Hergert Numbers shirt. He now owns three of them!

Dominica Blalock once again showing off her Hergert Numbers shirt at the 2026 IMACC Conference. She was lamenting that t...
04/15/2026

Dominica Blalock once again showing off her Hergert Numbers shirt at the 2026 IMACC Conference. She was lamenting that this shirt was getting a bit worn, but she won a new one during the IMACC Scholarship Fund raffle at the end of the weekend. We look forward to seeing her sporting that one in 2027.

AI doesn't know everything!
10/23/2025

AI doesn't know everything!

Popular math textbook author Elayn Martin-Gay took her Hergert Numbers shirt on a recent trip to England to help "spread...
09/02/2024

Popular math textbook author Elayn Martin-Gay took her Hergert Numbers shirt on a recent trip to England to help "spread the word" abroad. Check out the pics below!

Spreading the word at the Pittsburgh Zoo!
06/08/2024

Spreading the word at the Pittsburgh Zoo!

Spreading the word!
05/09/2024

Spreading the word!

Spreading the word at the 2024 Illinois Mathematics Association of Community Colleges Annual Conference
04/08/2024

Spreading the word at the 2024 Illinois Mathematics Association of Community Colleges Annual Conference

Rock Valley College Math Professor Dr. Paul McCombs spreading the word in Omaha during the American Mathematics Associat...
11/12/2023

Rock Valley College Math Professor Dr. Paul McCombs spreading the word in Omaha during the American Mathematics Association of Two-Year Colleges annual conference.

Dr. Paul Gunsul proudly showing his Hergert Numbers spirit before lecturing on the topic in his Calculus class today.
10/24/2023

Dr. Paul Gunsul proudly showing his Hergert Numbers spirit before lecturing on the topic in his Calculus class today.

Rick Hergert spreading the word at tonight's Swarm the Market bike ride in downtown Rockford.
07/22/2023

Rick Hergert spreading the word at tonight's Swarm the Market bike ride in downtown Rockford.

I couldn't resist a stop at the iconic Multnomah Falls to spread the word on a recent trip to Portland, OR. At 620 feet ...
06/21/2023

I couldn't resist a stop at the iconic Multnomah Falls to spread the word on a recent trip to Portland, OR. At 620 feet tall, it's the tallest waterfall in the state.

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