3.6.5. let - evaluate arithmetic expressions

3.6.5.1. Usage

let EXPR [EXPR ...]

3.6.5.2. Synopsis

Supported operations are in order of decreasing precedence: X++, X– ++X, –X +X, -X !X, ~X X**Y X*Y, X/Y, X%Y X+Y, X-Y X<<Y, X>>Y X<Y, X<=Y, X>=Y, X>Y X==Y, X!=Y X&Y X^Y X|Y X&&Y X||Y X?Y:Z X*=Y, X/=Y, X%=Y X=Y, X&=Y, X|=Y, X^=Y, X+=Y, X-=Y, X<<=Y, X>>=Y