In chemcistry it means the 'Difference'
The symbol is called DELTA and looks like a triangle. -----> Δ <----
Delta as a mathematical symbol usually means "change". It's usually used the same way in physics and chemistry, though it's sometimes used in chemical equations to represent heat.
< this symbol can also mean less than
Not equal
Do you mean this symbol ∈ (or backwards 3) if so, it means is an element of; Also, ∉ (with strikethrough) (or backwards 3 with strikethrough) is the symbol for "is not an element of" used in set membership. See also Element (mathematics) and Set (mathematics)
Delta (of a curve)
delta, or change in diagnosis
That pyramid symbol (or better defined as a triangle as to not get confused with lower mathematics / geometry) simply means a change in something. The actual term is "delta" and it is also known as the derivative of y as seen here: (delta) y / (delta) x. (delta) y / (delta) x would be read as the change in y with respect to x.
Delta - Its the fourth letter of the Greek alphabet, and it is often used in mathematical expressions to represent the change (i.e. the delta) that occurs to a value.
^, is the symbol for a tripod.
The ticker symbol for Delta Air Lines is DAL and it is traded on the New York Stock Exchange.
The Greek letter Delta is written as a triangle.
Delta Airline
change inThe triangle symbol is the uppercase letter delta (from the Greek alphabet), and refers to "difference in...". For example, delta x means how much the variable x changes between two different positions considered.
d is deff not the symbol for deuteron, I am in the Chi Deuteron chapter of Phi Gamma Delta, it looks like a Delta with a horizontal line underneath it
The Greek letter delta is Daedalus' symbol. Δ
The symbol used to represent change in an equation is Δ (delta). It indicates the difference or change between two values.