
Mathb.in is shutting down on March 16, 2025 after 13 years of service by mxer
By Susam Pal on 23 Feb 2025
Thirteen years ago, on a quiet Saturday night, I sat down and began
developing MathB.in. After coding all through the night, as the sun
rose on Sunday, 25 March 2012, the website was ready. I registered
a new domain name and shared it with a few friends who loved
mathematics. Back then, we spent hours discussing fascinating
mathematics problems, and this website became a simple way for us to
share snippets with each other. Word spread quickly—my
friends shared it with their friends, who passed it along to others.
The community grew organically. Then, one day, I announced the
project on the MathJax mailing list, and its reach expanded even
further. Within a year, this mathematics pastebin service had users
from around the world. Watching the usage of this little project
grow was an incredibly rewarding experience.

The world has changed a lot in the last thirteen years. The
internet has evolved, and so have I. Maintaining a mathematics
pastebin service like this single-handedly has become increasingly
difficult over the years. Over the past 13 years, I have received
notices from regulatory authorities whenever someone submitted
content that triggered compliance concerns. Each time