04/15/2026
Jeremy Chamberlain proudly shows off his new Hergert Numbers shirt. He now owns three of them!
Hergert Numbers
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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.
04/15/2026
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.
10/23/2025
AI doesn't know everything!
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!
06/08/2024
Spreading the word at the Pittsburgh Zoo!
05/09/2024
Spreading the word!
04/08/2024
Spreading the word at the 2024 Illinois Mathematics Association of Community Colleges Annual Conference
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.
10/24/2023
Dr. Paul Gunsul proudly showing his Hergert Numbers spirit before lecturing on the topic in his Calculus class today.
07/22/2023
Rick Hergert spreading the word at tonight's Swarm the Market bike ride in downtown Rockford.
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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