In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …

Jun 25, 2014 · I have started seeing the "∈" symbol in math. What exactly does it mean? I have tried googling it but google takes the symbol out of the search.

Jul 1, 2022 · Cf.: "The abbreviation cf. (short for the Latin: confer/conferatur, both meaning 'compare') is used in writing to refer the reader to other material to make a comparison with …

May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 2 months ago Modified 9 years, 2 months ago

exp(x) =ex exp (x) = e x Where e e is Euler's Number (approx. 2.718281828 2.718281828). This notation is common when x x is complicated and messy when put in the form ex e x (like large …

Oct 31, 2017 · I'm doing a research report, and I need to determine a companies assets. So I found their annual report online, and for the assets, it says (in thousands). One of the rows is: …

Mar 27, 2018 · First up, this question differs from the other ones on this site as I would like to know the isolated meaning of nabla if that makes sense. Meanwhile, other questions might ask …

Used like this, eN (much more often EN) is just a symbol for 10N 10 N. It is used because scientific notation is convenient for large and small numbers and it avoids the need for …

Mar 25, 2021 · So I'm just getting into topology and I see spaces such as S1 S 1 or S2 S 2 used a lot. What is the meaning of S1 S 1 or S2 S 2? Furthermore, what is meant by the cartesian …

Jan 26, 2020 · The set of (multiplicative) invertible elements (also called ‘units’) in the ring Z/nZ Z / n Z. If n n is prime, this ring is a field, and thus, the set of units is just the set of non-zero …