What is the symbol called as?
The at sign, @, is normally read aloud as “at”; it is also commonly called the at symbol or commercial at.
It is used as an accounting and invoice abbreviation meaning “at a rate of” (e.g.
7 widgets @ £2 per widget = £14), but it is now seen more widely in email addresses and social media platform handles..
What does ∧ mean in math?
In logic, mathematics and linguistics, And (∧) is the truth-functional operator of logical conjunction; the and of a set of operands is true if and only if all of its operands are true. … In set theory, intersection.
What is the average symbol?
The mathematical symbol or notation for mean is ‘x-bar’. This symbol appears on scientific calculators and in mathematical and statistical notations. The ‘mean’ or ‘arithmetic mean’ is the most commonly used form of average.
What is a caret symbol?
The caret (/ˈkærɪt/) is a V-shaped grapheme, usually inverted and sometimes extended, used in proofreading and typography to indicate that additional material needs to be inserted at this point in the text.
What does * mean in an equation?
It almost always means “and,” both in and outside of mathematics. * This symbol is called an asterisk. In mathematics, we sometimes use it to mean multiplication, particularly with computers. For example, 5*3 = 5 times 3 = 15. () The open (or left) and close (or right) parenthesis.
What does the symbol Δ mean?
Upper-case deltaUpper-case delta (Δ) often means “change” or “the change in” in mathematics.
What is a slash symbol?
The slash is an oblique slanting line punctuation mark /. … Once used to mark periods and commas, the slash is now most often used to represent exclusive or inclusive or, division and fractions, and as a date separator.
What is meaning of this?
adjective. English Language Learners Definition of this (Entry 2 of 3) —used to indicate the person, thing, or idea that is present or near in place, time, or thought or that has just been mentioned. —used to indicate the thing that is closest to you or that is being shown to you.
What does μ mean?
Micro-Micro- (Greek letter μ or legacy micro symbol µ) is a unit prefix in the metric system denoting a factor of 10−6 (one millionth). Confirmed in 1960, the prefix comes from the Greek μικρό (mikró), meaning “small”. … It is the only SI prefix which uses a character not from the Latin alphabet.