What do square brackets mean?

What do square brackets mean?

Use square brackets to include words within a quote that are not part of the original quote. For example, if a quoted passage is not entirely clear, words enclosed in square brackets can be added to clarify the meaning.

What is the [] for?

Brackets are symbols that we use to contain “extra information”, or information that is not part of the main content. Brackets always come in pairs—an “opening” bracket before the extra information, and a “closing” bracket after it. There are two main types of bracket: round () and square [].

What is the difference between square brackets and round brackets?

Usually we use square brackets – [ ] – for special purposes such as in technical manuals. Round brackets – ( ) – are used in a similar way to commas when we want to add further explanation, an afterthought, or comment that is to do with our main line of thought but distinct from it.

What is the difference between square brackets and round brackets in math?

The notation may be a little confusing, but just remember that square brackets mean the end point is included, and round parentheses mean it’s excluded. If both end points are included the interval is said to be closed, if they are both excluded it’s said to be open.

What does 39 mean in texting?

The number 39 means “Thank You.” The use of 39 to say “Thank You” is based on the Sino-Japanese pronunciation of the numbers three and nine.

What are the square brackets called?

Square brackets [ and ] are also called simply “brackets” (US), as well as “crotchets”, “closed brackets”, or “hard brackets”.

Why do some cases have square brackets?

Square brackets [ ] are used when the year is necessary to identify the law report volume (for example when there is more than one volume published per year). Round brackets ( ) are used when the year is not necessary to identify the law report volume (for example if there was only one volume published per year).

Do square brackets mean concentration?

Square brackets are often used to represent concentration, e.g., [NaOH] = 0.50 M. Use the capital letter M for molarity, not a lower case m (this is a different concentration unit called molality).