Mar 5, 2011 · It's one common notation for stating that the left-hand side is defined as (in contrast to equal to) the expression on the right-hand side.

Aug 19, 2015 · The set of natural numbers {0, 1, 2, …} {0, 1, 2,} is often denoted by ω ω. There are two caveats about this notation: It is not commonly used outside of set theory, and it might …

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.

Dec 13, 2016 · An unsophisticated question from a neophyte: Given the numbers: $1,2,3,4,5$ What is the symbol for the range of the numbers? i.e. the lowest-highest number in the set. …

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 …

For simplicity I will use examples about big-O notation for function growth as n → ∞ n → ∞ (seen in algorithmic complexity), but the issues that arise are the same for things like Ω Ω and Θ Θ …

In set theory \mid or : is often used but I haven't really seen any logical symbol used for "such that" in other situations. But now that I think of it there is the \ni symbol used as "such that" in …

Jun 23, 2015 · $\\mathbb Q$ is used to represent rational numbers. $\\mathbb R$ is used to represent reals. Is there a symbol or convention that represents irrationals. Possibly $\\mathbb …

The use of natural language is often more effective when presenting an idea. In my opinion the less often a symbol is used where a few words can go, the better. That said, there are many …

Oct 9, 2015 · When I type 8*6 FLO = 48 SCI = $4.8 * 10^1$ ENG = $48 * 10^0$ 1) What is the point of ENG mode?? 2) What are situations where you want answers in SCIentific notation?