Delta function symbol

The lowercase letter δ (or 𝛿) can be used to denote: A change in the value of a variable in calculus. A functional derivative in functional calculus.

1. What is Δ in math?
2. What does the symbol δ+ or Δ represent?
3. What does Δ mean in calculus?
4. How do you type Δ?

What is Δ in math?

The Greek letter delta (δ, or ∆) is often used to indicate such a change. If x is a variable we write δx to stand for a change in the value of x. We sometimes refer to δx as an increment in x. For example if the value of x changes from 3 to 3.01 we could write δx = 3.01 − 3=0.01.

What does the symbol δ+ or Δ represent?

Delta Symbol: Change

Uppercase delta (Δ) at most times means “change” or “the change” in maths. Consider an example, in which a variable x stands for the movement of an object.

What does Δ mean in calculus?

In mathematics, the symbol delta (Δ) typically represents a change or difference in a variable or quantity. For example, in calculus, the symbol delta is often used to represent a small change in a variable, such as x or y, in a function or equation.

How do you type Δ?

Use the keyboard shortcut – ALT + 30 (you need to hold the ALT key and then press 30 from the numeric keypad of your keyboard).