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3h

awarded  Good Answer 
Jul 18 
reviewed  Close 2norm calculate 
Jul 17 
comment 
Lebesgue measure of a set of irrational numbers
See my answer to mathoverflow.net/questions/161441/… which gives a reference to Khinchin's book, and a Theorem of Khinchin that discusses general such problems. 
Jul 15 
comment 
Is this weak asymptotic Goldbach's conjecture open?
Montgomery and Vaughan showed that the exceptional set in Goldbach's conjecture contains at most $O(x^{1\delta})$ elements for some $\delta >0$. See matwbn.icm.edu.pl/ksiazki/aa/aa27/aa27126.pdf . 
Jul 13 
comment 
Is formula valid for relating $\pi$ with ALL of its OEIS A002485(n)/A002486(n) convergents?
Also posted at MSE: math.stackexchange.com/questions/860499/… 
Jul 12 
comment 
An upper bound on families of subsets with a small pairwise intersection
Actually, as noted in my earlier answer the upper bound $\binom{n}{s+1}/\binom{r}{s+1}$ is easy to obtain. I don't know if this is enough, or if you're looking for stronger bounds. Nontrivial can be vague! 
Jul 12 
comment 
An upper bound on families of subsets with a small pairwise intersection
See my answer to this earlier MO question: mathoverflow.net/questions/161159/… . In particular, the paper by Frankl that I linked discusses general such problems, and Theorem 4.3 there (by Deza, Erdos and Frankl) would give nontrivial bounds in your question. 
Jul 10 
reviewed  Reviewed Conditional variance and expectation of random variables 
Jul 10 
awarded  analyticnumbertheory 
Jul 9 
awarded  Enlightened 
Jul 9 
awarded  Nice Answer 
Jul 9 
answered  The conjecture of Montgomery and Soundararajan on primes in short intervals: Empirical inconsistencies? 
Jul 7 
comment 
Arithmetic progression and average of two prime numbers
The Goldbach problem is similar to this conjecture. 
Jul 7 
answered  Bound on gcd of two integers 
Jul 6 
reviewed  Close Books about polynomials 
Jul 6 
awarded  Nice Answer 
Jul 6 
reviewed  Leave Open Conjecture on irrational algebraic numbers 
Jul 6 
reviewed  Close Decimal digits multiplied by powers of 2: leads to mod 8? 
Jul 6 
reviewed  Leave Closed Generate Finite Field power of g 
Jul 2 
comment 
Questions about the Riemann Zeta Function
But a prime number is also an integer. So knowing it to accuracy $1/2$ would be enough to pinpoint it, and this could be done using about $p$ zeros to determine $p$. (The last para of the question indicates that this would be acceptable.) 