# Grammar - (Order of (operations|precedence)|operator precedence)

In mathematics and computer programming, the order of operations (sometimes called operator precedence) is a rule used to clarify which procedures should be performed first in a given expression (mathematical or not)

Operator Arithmetic operator are evaluated straight across from left to right where / and * are evaluated before + and - .

## Documentation / Reference

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Antlr - (Lexical) Rule

in Antlr. Antlr has two types of rule: Name Case Type Description Example from the getting started uppercase letter lexer rule (known as Token name, they defines the token that the lexer...
Antlr - Lexer Rule (Token names|Lexical Rule)

in Antlr. They are rules that defines tokens. They are written generally in the grammar but may be written in a lexer grammar file Each lexer rule is either matched or not so every lexer rule expression...
Boolean - (Logical) Operator (OR, AND, XOR, )

Boolean operator manipultes truthy and falsy values that can come from: a Boolean value the interpretation of a non-boolean value (ie javascript (truthy/falsy)) or the result of a comparison expression....
Language - Operator

An operator is a symbol (token) that compose an expression. It operates on values on its side (left and/or right). They represents a function but where the argument are on both side of it. This...
Ordinal Data - Comparison Operator (Order, Equality)

A comparison operator is a class of operators that model: a order or a equivalence relationship A comparison operator test the order relationship between two operands and returns a Boolean. The...
PL/SQL - Operator (Precedence)

The operations within an expression are evaluated in order of precedence. Operators with equal precedence are applied in no particular order. This table show the operator from the highest to the lowest...
Python - Boolean Operator (And|Or|Not)

in Python Boolean operators (or logical operators) are words used to connect statements. They result in boolean values—True or False. and, or. It returns True when either (meaning one, the...
What are Redirection Operators in Dos with example and how-to?

This page talks shell redirection operator|operator in DOS. The order of redirections is significant when redirecting a standard error stream to a standard output stream. See order of redirections ...
What does Three points in Javascript? known as the Spread or Rest Operator

The ... three points may refer to: the spread operator. It 'expands' an array into its elements, or the rest parameter. It 'condenses' multiple elements into a single element You use it for object...