Question

sum () function and sumif ​

Answer 1

Answer:

Brackets

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 []. British English and American English define them differently, as you see below.

Round Brackets or Parentheses

()