# Latin Capital Letter A

A
Symbol Format Data
A Code Point
U+0041
TeX
A
SVG

## Usage

The capital Latin letter A is used in algebra as a variable. In probability, the symbol is used to represent a random variable. In linear algebra, the symbol is used as a variable for matrices. For example, the symbol is typically used in an expression like this:

In plain language, this expression means that the variable is equal to the two-by-two matrix with the coefficients , , and .

## Related

The latin letter a is used to represent a variable or coefficient.