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.

As far as e-notation go's its meant to be scientific notation; So like 5.89e-4 would mean 0.000589 (move the decimal place if minus left if not move the decimal place right).

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

Dec 9, 2019 · The notation $\ {x \in \mathbb {R} \}$ is a little ambiguous, but would probably be understood. As Eike Schulte points out, there is something missing—either the "selection …

However, the middle signs in set builder (or quantifier) notation are not really catch-all replacements for the words "such that".

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. …

Feb 20, 2013 · A better, but less common, notation is $\varepsilon$ (formatted with $\varepsilon$). You can find answers and comments related to that latter symbol $\varepsilon$ …

Sep 16, 2012 · Fantastic answer which not only addressed my question but expanded my knowledge on more general mathematical notation. Thank you very much! I had stumbled …

Nov 3, 2014 · Should I use this implication notation as opposed to 'when', assuming my audience understands implications? I personally prefer the shorter versions of notation

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.