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Jun
20
answered Is there an example of nonassociative arithmetic addition?
Jun
20
comment Is there an example of nonassociative arithmetic addition?
@JoshuaHonig What Martigan and mixedmath say is true but there are two other aspects : 1) in rings, fields and their generalizations (i.e. modules, near-ring, near-fields, k-, there are at least two binary operations, and by analogy with the classical situation, one operation is called addition and the other multiplication. 2) addition is typically associated with the idea of the magnitude of the result being close to the magnitude of the larger of the elements being combined and multiplication with expansion of magnitude (analogy to the area, the volume, a list of possibilities etc.)
May
21
answered computing in a loop
May
5
revised dynkin-diagrams wiki description
added 955 characters in body
May
5
revised dynkin-diagrams wiki excerpt
added 423 characters in body
May
5
wiki created dynkin-diagrams description
May
5
wiki created dynkin-diagrams excerpt
May
5
suggested approved edit on dynkin-diagrams tag wiki
May
5
suggested approved edit on dynkin-diagrams tag wiki excerpt
May
5
comment Finding an equation of circle which passes through three points
Are you sure that your solution covers all degenerate cases ?
Mar
22
awarded  Yearling
Mar
15
awarded  Guru
Feb
10
comment Expressing a sequence with two sigma notation
$\NN$ does have zero. You don't need to add it.
Feb
10
revised Circular permutations - $n$ sitting at a round table without repeating neighbors
Added more likely cause of original miscalculation.
Feb
10
answered Circular permutations - $n$ sitting at a round table without repeating neighbors
Feb
10
comment Circular permutations - $n$ sitting at a round table without repeating neighbors
@0ana : 13524 and 14253 are not related by a rotation but by a reversal.
Feb
5
comment The discriminant of an integral binary quadratic form and the discriminant of a quadratic number field
Is this something you came up by yourself ? If not, please give the source by respect of the authors.
Dec
21
awarded  Constituent
Dec
12
answered zeros of Incomplet Gamma function
Dec
12
comment zeros of Incomplet Gamma function
@TylerHG : these are not zeroes but misinterpretations of underflows.