a super nice integral
Michael Penn - No Myth
Perfect numbers and Mersenne primes
Michael Penn - Try
a bit about one of Ramanujan's favorite functions
a very tricky simple problem
The most creative digit sum problem I have ever seen!!
I can solve any quintic equation!!
Engineering in the Age of AI (Webinar) | Penn Engineering
what a difficult limit!!
what's the limit of this integral?
Have you ever seen this definition of Euler's constant??
Michael Penn - This & That
the most creative definition of sine and cosine
This & That
International Math Olympiad | 2005 Q4
Michael Penn - Walter Reed
my new favorite proof of this classic result
Mobius' favorite function
what a great "double" functional equation!