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Jul
20
comment The cow in the field problem (intersecting circular areas)
Fix the answer or delete yours and I will remove the downvote?
Jul
20
awarded  Editor
Jul
20
revised What are the differences between rings, groups, and fields?
added 43 characters in body
Jul
20
comment What are the differences between rings, groups, and fields?
Yes, this is a point that must be made!
Jul
20
comment What is a real number (also rational, decimal, integer, natural, cardinal, ordinal…)?
If you talk a little about limits you can get rid of that dependency :/
Jul
20
comment The cow in the field problem (intersecting circular areas)
Like myself, you assumed the post should be in the center of the field. I deleted my answer because of this mistake. The problem has been reformulated.
Jul
20
answered What are the differences between rings, groups, and fields?
Jul
20
answered What is an elliptic curve, and how are they used in cryptography?
Jul
20
answered Why is the matrix-defined Cross Product of two 3D vectors always orthogonal?
Jul
20
awarded  Critic
Jul
20
awarded  Supporter
Jul
20
awarded  Teacher
Jul
20
comment Different kinds of infinities?
I like this so far, but maybe add a bit on uncountable to distinguish the difference.
Jul
20
comment What is a limit?
I would recommend you be a bit more specific about what kind of answer you are looking for. If you are looking for a heuristic answer or a more mathematically rigorous one.
Jul
20
answered What is your favorite online graphing tool?