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  1. notation - What does := mean? - Mathematics Stack Exchange

    Mar 18, 2011 · For future reference, the table of mathematical symbols at wikipedia is fairly extensive and has a number of further references.

  2. inequality - What does <> mean? - Mathematics Stack Exchange

    Jul 28, 2021 · What do the less-than and greater-than symbols right next to each other mean? Does it mean either less than or greater than? In other words, not equal? I am trying to understand a book …

  3. notation - What does the Greek "E"-like symbol mean? - Mathematics ...

    Sep 23, 2017 · What does the Greek "E"-like symbol mean? Ask Question Asked 8 years, 2 months ago Modified 3 years, 10 months ago

  4. What does the semicolon ; mean in a function definition

    Mar 27, 2013 · In programming terms, parameter is a name for a variable in function definition. When using the function, you give arguments. I tend to think that the general syntax in math is funcname …

  5. notation - What does "∈" mean? - Mathematics Stack Exchange

    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.

  6. What does the function f: x ↦ y mean? - Mathematics Stack Exchange

    Apr 20, 2016 · So, $↦$ is really just the math operator/binder $λ$, in disguise. Thus, one might just as well write $ (x ↦ x^2) (3) = 3^2 = 9$, denoting the function directly rather than through a level of …

  7. What does it mean to say "a divides b" - Mathematics Stack Exchange

    Jun 24, 2016 · What does it mean to say "a divides b" Ask Question Asked 9 years, 5 months ago Modified 9 years, 5 months ago

  8. What does the exclamation mark do? - Mathematics Stack Exchange

    Sep 27, 2011 · For completeness: Although in mathematics the $!$ almost always refers to the factorial function, you often see it in quasi-mathematical contexts with a different meaning. For example, in …

  9. Derivatives 101: what does "with respect to" mean?

    Jun 30, 2018 · I'm studying derivatives 101 and I can't get my head around the phrasing "with respect to" something. Eg in chain rule we calculate the derivative of outer function with respect to inner + deriva...

  10. What does "min" mean? - Mathematics Stack Exchange

    Jun 14, 2017 · What does "min" mean? Ask Question Asked 8 years, 5 months ago Modified 8 years, 5 months ago