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May
21
answered Triangular Array's Recursive Formula Breakdown
Apr
27
comment Computing efficiently a small base to the power a large number
Are you after exact results or results to some level of relative error?
Apr
27
reviewed Close How do you formally construct the following proof regarding completeness and vector spaces?
Apr
24
comment Is an empty parenthesis a valid mathematical expression?
The meaning of mathematical notation is highly dependent on context. Which subfield(s) of mathematics are relevant to the case which interests you? And what is your motivation for the question: trying to interpret someone else's use of them, trying to justify using them yourself, trying to win a random bet, ...?
Apr
23
awarded  Steward
Apr
23
reviewed Close Betti numbers over unital rings
Apr
23
reviewed Close Finding position of point (in 3D space ) which are at x,y offset from corner of a rectangle in 3D world
Apr
23
reviewed Close Select 100 integers from 1,2,…,200
Apr
22
reviewed Close Can't do NFA to DFA
Apr
22
reviewed Close Drawing Bijections for one set
Apr
22
reviewed Close What is the densest, most opaque way of saying two odd numbers add up to an even number?
Apr
22
reviewed Leave Open Calculate the infinite sum $\sum_{1}^\infty \frac{\log{n}}{2n-1}$
Apr
22
reviewed Leave Open Why is Wolfram Alpha miscomputing this problem?
Apr
21
reviewed Leave Open Smallest number of points on plane that guarantees an angle of at most $18^\circ$
Apr
21
reviewed Leave Open Primitive elements proof
Apr
21
reviewed Close Tricky probablity problem with constraints
Apr
21
reviewed Close Evaluate the integral $\int \sin(x)\cos(3x^2)dx$
Apr
21
reviewed Leave Open How many scientists can survive?
Apr
21
reviewed Leave Closed My dilemma about $0^0$
Apr
20
reviewed Leave Open Simple probability with dice