The symbol δ is called delta.
Delta (δ) is a lowercase letter in the Greek alphabet. It is commonly used in various fields, including mathematics, science, and engineering, to represent different concepts depending on the context. The uppercase version of delta is Δ.
Here's a summary:
| Characteristic | Description |
|---|---|
| Name | Delta |
| Case | Lowercase |
| Symbol | δ |
| Alphabet | Greek |
| Uppercase Version | Δ |
Examples of its uses include:
- Mathematics: Often used to represent a change in a variable (e.g., Δx represents a change in x). Also commonly used to represent Kronecker delta.
- Science and Engineering: Used to denote a small increment or variation. It can also represent a density.
- Finance: It's a measure of the sensitivity of an option price to changes in the underlying asset's price.
