14 Facts About Square brackets

Various forms of Square brackets are used in mathematics, with specific mathematical meanings, often for denoting specific mathematical functions and subformulas.

Square brackets are often used to insert explanatory material or to mark where a [word or] passage was omitted from an original material by someone other than the original author, or to mark modifications in quotations.

Alternatively, empty square brackets can indicate omitted material, usually single letter only.

In translated works, Square brackets are used to signify the same word or phrase in the original language to avoid ambiguity.

Square brackets are used to denote parts of the text that need to be checked when preparing drafts prior to finalizing a document.

Square brackets are used in some countries in the citation of law reports to identify parallel citations to non-official reporters.

In some other countries, square brackets are used to indicate that the year is part of the citation and parentheses are used to indicate the year the judgment was given.

Square brackets can be used in chemistry to represent the concentration of a chemical substance in solution and to denote charge a Lewis structure of an ion, repeating chemical units and transition state structures, among other uses.

Angle Square brackets are larger than less-than and greater-than signs, which in turn are larger than guillemets.

Angle Square brackets are infrequently used to denote words that are thought instead of spoken, such as:.

Angle Square brackets are used in group theory to write group presentations, and to denote the subgroup generated by a collection of elements.

In physical sciences and statistical mechanics, angle Square brackets are used to denote an average over time or over another continuous parameter.

Half Square brackets are used in English to mark added text, such as in translations: "Bill saw ?her?".

The Square brackets stand for a function that maps a linguistic expression to its "denotation" or semantic value.