A structural engineer is also the professional to call when your existing home has issues like foundation problems, sagging roofs or sliding chimneys. They help figure out ways to reconstruct those areas safely.
British English. [ ] = square brackets. American English. [ ] = brackets. We typically use square brackets when we want to modify another person's words. Here, we want to make it clear that the modification has been made by us, not by the original writer. For example: 1  to add clarification:
Definition. Mathematical brackets are symbols such as parentheses that are most often used to create groups or clarify the order that operations are to be done in an algebraic expression. Some bracket symbols, however, have multiple special uses in mathematics.