# Assignment Statements

From BR Wiki

- Let (LE)

Evaluates a numeric or string expression and optionally assigns the value of the expression to one or more variables.

- Mat (M)

Performs matrix operations including increasing or decreasing dimensions or number of elements; adding or subtracting two matrices; adding, subtracting, multiplying, or dividing a number into all elements of a matrix; and sorting into ascending or descending order.