MathB.in - A pastebin for math powered by MathJax

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Susam Pal

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Mar 25, 2012, 9:38:33 AM3/25/12
to MathJax Users
Hi,

I developed a pastebin for math last night. It is called
MathB.in. To use it, please visit: http://mathb.in/

As you can see in the footer of the page, LaTeX rendering is
powered by MathJax, so I thought this forum might be a good
place to let you know about it. For MathJax users, this could be
a useful place to try out LaTeX + HTML code snippets and see how
MathJax renders mathematical text on the browser. For others,
this could just be a pastebin for mathematical text.

I hope you find it useful. In case you have any suggestions,
please feel free to email me.

Susam Pal

Davide P. Cervone

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Apr 2, 2012, 9:36:38 AM4/2/12
to mathja...@googlegroups.com
Thanks for the pointer and for sharing your work. It looks very
nice. I have added it to our MathJax in Use page.

Davide

Susam Pal

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Dec 1, 2013, 5:19:25 AM12/1/13
to mathja...@googlegroups.com
Hi,

I am glad to tell you that MathB.in <http://mathb.in> is now
open source. The source code can now be found on GitHub
<https://github.com/susam/mathb>.

Suggestions and bug reports are welcome.

Thanks,
Susam Pal

Bert Sierra

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Aug 19, 2025, 10:17:50 PM8/19/25
to MathJax Users
I’m sad to see that MathB.in doesn’t seem to be actively hosted any more. It was a very handy way to reflect math stuff back to platforms hard-wired so as not to support MathJax.

I see that domain does forward to the susam/MathCask project on GitHub which I haven’t forked nor uncorked yet. But likely the source code for what used to run on MathB.in back in the day.

Looking for a suitable place to poke out a somewhat humorous representation of 42. I think this TeX code is correct, though for some reason it’s failing in my local LaTeX renderer for macOS.

$$  \prod_{i=1}^4 \frac{p_{i}}{5} = 42 $$

Perhaps the funniest way to express the funniest of all integers.  ;-) 

Christian Lawson-Perfect

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Aug 22, 2025, 7:04:21 PM8/22/25
to MathJax Users

Bert Sierra

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Aug 15, 2026, 1:32:30 PM (12 days ago) Aug 15
to mathja...@googlegroups.com
Good catch! You're absolutely correct that the ⅕ should be outside the product operator and not inside it.

The source article for this fun little equation (and eventually a T-shirt) is here on Facebook. I had it correct there but went wrong in hand converting it to TeX:
Thank you for the link to this alternate MathJax-powered pastebin. Here's an improvement to the equation which makes it more obscure what is going on. Thus an improvement on the T-shirt design!

TeX source:   \prod_{i=1}^4 \frac{p_{i}}{\sqrt[4]{5}} = 42
Adding that URL to my Facebook article so I can find my way back to CheckMyWorking.com! And thanks again!

-- Bert


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