A square bracket at one end of an interval indicates that the interval is closed at that end (i.e., the number adjacent to the opening or closing square bracket is included in the interval). ...

## What does this symbol mean in math?

This symbol < means less than, for example 2 < 4 means that 2 is less than 4. This symbol > means greater than, for example 4 > 2. ≤ ≥ These symbols mean less than or equal to and greater than or equal to and are commonly used in algebra.

## What do straight brackets mean in math?

Absolute Value Examples and Equations The most common way to represent the absolute value of a number or expression is to surround it with the absolute value symbol: two vertical straight lines. |–6| = 6 means “the absolute value of –6 is 6.”

## What are these [] used for?

These { } have a variety of names; they are called braces, curly brackets, or squiggly brackets. Usually these types of brackets are used for lists, but online, they also signify hugging in electronic communication.

## How do you remember there and their?

0:232:57There, Their, & Theyre: Tricks To Remember These Commonly ...YouTube

## What are the brackets called?

The four main paired punctuation symbols are the bracket (or square bracket; also called parenthesis in British English), the parenthesis (plural: parentheses), the brace (curly bracket in British English), and the inequality sign (pointy bracket).