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Feb
7
comment Find the sum of all the multiples of 3 or 5 below 1000
The first two sums account for multiples of $3$ and $5$, the last sum accounts for over-counting multiples of $15$ (which can appear in either of the first two sums).
Jan
24
revised Fractional Part Double Summations
deleted 2 characters in body
Jan
24
revised Dedekind Sum Congruences
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Jan
10
comment Solution Multiplicity of the Diophantine Equation $k = b(a - \gcd(a,b))$.
Thank you, Peter!
Jan
10
revised Solution Multiplicity of the Diophantine Equation $k = b(a - \gcd(a,b))$.
deleted 75 characters in body
Jan
10
revised Solution Multiplicity of the Diophantine Equation $k = b(a - \gcd(a,b))$.
deleted 75 characters in body
Jan
10
asked Solution Multiplicity of the Diophantine Equation $k = b(a - \gcd(a,b))$.
Jan
6
comment Two-term Binomial-Bernoulli Transform
That's great. Presumably, infinitely many such transforms follow from two generating functions $E$ and $F$ such that $EF = 1$.
Jan
6
asked Two-term Binomial-Bernoulli Transform
Dec
30
awarded  Announcer
Dec
29
comment Taking the negative of a continued fraction
Actually, it was van der Poorten who wrote the notes I had in mind.
Dec
26
awarded  Nice Answer
Dec
23
revised Taking the negative of a continued fraction
added 84 characters in body
Dec
23
answered Taking the negative of a continued fraction
Oct
23
awarded  Yearling
Oct
17
accepted Lower bound on the rank of the elliptic curve $y^{2} = x^{3} + A x^{2} + B x$
Oct
16
awarded  Popular Question
Oct
16
revised Proofs that every mathematician should know?
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Oct
15
revised What is the connectivity between Boltzmann's entropy expression and Shannon's entropy expression?
changed "connectivity" to "connection"
Sep
6
revised Proving $|e^{iθ}|=1$
edited title