GeezerVison is showing smallbasic.github.io — SmallBASIC | CONST
CONST
CONST name = expr
Declare a variable name who’s value does not change
during program execution. name follows the rules for naming
SmallBASIC variables. expr is an expression consisting of
literals, with or without operators, only.
Example
CONST G = 6.67259E-11
CONST PISQUARE = PI^2