“In mathematics, a field is a set on which addition, subtraction, multiplication, and division are defined and behave as the corresponding operations on rational and real numbers do…
“The best known fields are the field of rational numbers, the field of real numbers and the field of complex numbers.” (“Field (mathematics),” Wikipedia, retrieved 6/10/2020) There are many other fields, but they are too complicated for this post. See that Wikipedia article for some of them.
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Disclaimer:
I am not a professional in this field, nor do I claim to know all of the jargon that is typically used in this field. I am not summarizing my sources; I simply read from a variety of websites until I feel like I understand enough about a topic to move on to what I actually wanted to learn. If I am inaccurate in what I say or you know a better, simpler way to explain a concept, I would be happy to hear from you :).
