Capital Delta Symbol
The capital greek letter (Delta) is used in mathematics to represent change. Typically, the symbol is used in an expression like this:
In plain language, this means the change in the variable . So if was one value and now it has taken on a new value, represents the difference between the two values.
Symbol  Format  Data 

Δ  Unicode 

TeX 


SVG 
Usage
Slope  Formula
The slope of a line is calculated by finding the change in y over the change in x using two points on the line.
Related Symbols
Delta  Symbol
The Greek letter delta (δ).