
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
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 Operators B...
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.
What is the meaning of ⊊? - Mathematics Stack Exchange
Dec 22, 2020 · I have encountered this when referencing subsets and vector subspaces. For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've gathered. Is ⊊ a sort of ≤ or <...
What does it mean when something says (in thousands)
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: Net sales $ 26,234...
The meaning of various equality symbols - Mathematics Stack …
May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 2 months ago Modified 9 years, 2 months ago
What do the symbols d/dx and dy/dx mean?
May 2, 2015 · Okay this may sound stupid but I need a little help... What do d dx d d x and dy dx d y d x mean? I need a thorough explanation. Thanks.
What is the meaning of - Mathematics Stack Exchange
What is the meaning of N0 N 0? To put it into context, I have in my notes, f(k) f (k), k ∈N0 k ∈ N 0 is a continuous function on [−π, π] [π, π]. How is it different to saying k ∈N k ∈ N?
What is the meaning of ∀x (∃y (A (x))) - Mathematics Stack Exchange
Feb 11, 2015 · At first English is not my native language if something is not perfectly formulated or described I'm sorry. Could somebody please tell me what the generally valid statement of this is? $$ \\forall...
What is the meaning of - Mathematics Stack Exchange
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 elements.
What does "versus" mean in the context of a graph?
I would agree with the rule " [dependent] versus [independent]." The word "versus" can mean "compared with," and it more frequently makes sense to compare a dependent value with its associated independent value, because well, the independent variable doesn't really "care" about the existence of the dependent variable, but the converse relationship is by definition.