R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrational numbers.
\mathbb N makes the slanted line bold.Apr 11, 2019
Computer Modern RomanThe default font would be Computer Modern Roman or Latin Modern.Mar 3, 2019
Computer Modern (default in standard LaTeX classes): CM Roman, CM Sans Serif, CM Typewriter. Latin Modern: LM Roman, LM Sans Serif, LM Typewriter, LM Dunhill. Post Script Fonts: Times, Utopia/Fourier, Palatino, Bookman, Helvetica, Courier. TeX Gyre.
U+2124. ℤ Represents the set of integers. (The Z is for Zahlen, German for "numbers", and zählen, German for "to count".)
A letter of the alphabet drawn with doubled vertical strokes is called doublestruck, or sometimes blackboard bold (because doublestruck characters provide a means of indicating bold font weight when writing on a blackboard).
To get curly braces in the output, you must use the escaped versions, "\{", and "\}". Quotation marks: The usual double quotation marks don't come out correctly in TeX. To get correct double quotes, surround the quoted phrase by a left and a right pair of single quotes (``TeX'').Aug 18, 2004
If you really want to know, the default LaTeX font is called Computer Modern, and it is a member of the Didone family of fonts, which IMO are generally suited to titling or posters but not body text (which is why you've probably never read a book that was set in one).
To make a text bold use \textbf command: Some of the \textbf{greatest} discoveries in science were made by accident. Open this LaTeX fragment in Overleaf.
\sffamily selects a sans serif font family. \ttfamily selects a monospaced (“typewriter”) font family.Feb 15, 2006
Changing section heading font size\makeatletter. \renewcommand\section{\@startsection{section}{1}{ {-3.5ex \@plus -1ex. {2.3ex \@plus.2ex} ... \usepackage{titlesec} \titleformat{\section}{\large\bfseries}{\thesection.\usepackage{sectsty} \sectionfont{\large}text before {\large text inside} text after.Nov 29, 2008
The font size in the editor can be changed via the left-hand menu. To open the menu, click the menu button in the top-left-hand corner of the screen. From here, scroll down to find the 'Font Size' option to change the font size in the editor.