What is another word for parenthesis-free notation?
Pronunciation: [pəɹˈɛnθəsˌɪsfɹˈiː nə͡ʊtˈe͡ɪʃən] (IPA) 
Parenthesis-free notation is a mathematical writing style that omits the use of brackets or parentheses to denote grouping or order of evaluation. This notation style is often used to simplify complex expressions and equations. Synonyms for parenthesis-free notation include infix notation, operator notation, and operator precedence notation. Infix notation is a mathematical notation where operators are written between operands. Operator notation is another name for infix notation that emphasizes the use of operators to perform calculations. Operator precedence notation is a notation system that uses a set of rules to determine the order of operations in a mathematical expression. All these synonyms have the same goal of making mathematical expressions easier to read and understand.
