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Newest
 Curious
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~45k people reached

Mar
20
awarded  Curious
Nov
22
awarded  Popular Question
Nov
7
awarded  Nice Answer
Jun
2
awarded  Nice Question
Oct
30
awarded  Yearling
Jun
8
awarded  Constituent
Jun
8
awarded  Caucus
Mar
7
comment Which formula do I use to integrate $ \int {\sqrt{x^2 + 81} \over 2} \,dx $
you don't need to delete your own answer if someone answers at the same time as you.
Jan
13
comment Interpretation of ideals as unitless subsets
this is such an embarrassing question, looking back a year later.
Dec
2
comment Is there a name for the this kind of recursive formula?
aren't those the catalan numbers? what's $b_i$?
Dec
2
comment Is there a mathematical function giving an approximation to human breathing over time?
Here's the relevant patent, for what it's worth. freepatentsonline.com/6658577.html
Nov
5
comment How formal or informal should math texts (written for different purposes) be?
From a student's perspective, that second line makes me want to go read something else, even if I understand what it's saying.
Oct
30
awarded  Yearling
Sep
20
comment Closed curves on the discrete torus
What did you use to draw these pictures?
Sep
20
comment Closed curves on the discrete torus
+1 This is really neat!
Sep
20
comment Closed curves on the discrete torus
Is this graph even toroidal (embeddable on the torus)? It doesn't appear to be so. It's quite pretty, though.
Sep
17
comment Actual process for fractions to decimals?
Do you know how to do long division?
Sep
13
awarded  Quorum
Sep
11
comment Is the constant $e$ infinitely long?
en.wikipedia.org/wiki/Proof_that_e_is_irrational
Sep
9
comment Eigenvalues of some peculiar matrices
Off-topic, but I could not resist reading this in Tara Strong's voice.