what is the meaning of "$" and "$" in overleaf?

Asked Dec 19 '19 at 08:49

Active Dec 19 '19 at 09:05

Viewed 119 times

\newcommand{\R}{\mathbb{R}}

The set of real numbers are usually represented 
by a blackboard bold capital r: \( \R \).

I know the usage of newcommand, but what is necessity of of $ and $?

edited Dec 19 '19 at 09:05

Andrew Swann

asked Dec 19 '19 at 08:49

Jing Gu

5

Please look at What is Math Mode and Are $ and $ preferable to dollar signs for math mode? – campa Dec 19 '19 at 08:52
1

$...$ is similar to $...$ but can provide better error messages if either $ or $ is missing – daleif Dec 19 '19 at 08:52
1

In the same tutorial, have a look at https://www.overleaf.com/learn/latex/Mathematical_expressions – Andrew Swann Dec 19 '19 at 09:16
6

Does this answer your question? Are \‌( and \‌) preferable to dollar signs for math mode? – José Carlos Santos Dec 19 '19 at 09:24

what is the meaning of "\(" and "\)" in overleaf?