HTML entities & LaTeX symbols
posted: 26-Jul-2025 & updated: 01-Aug-2025
\[\newcommand{\reals}{\mathbb{R}} \newcommand{\preals}{\reals_{+}} \newcommand{\ppreals}{\reals_{++}} \newcommand{\complexes}{\mathbb{C}} \newcommand{\integers}{\mathbb{Z}} \newcommand{\kclosure}{\overline{K}} \newcommand{\image}{\text{Im}} \newcommand{\Prob}{\mathop{\bf Prob}} \newcommand{\Expect}{\mathop{\bf E{}}} \newcommand{\Var}{\mathop{\bf Var{}}} \newcommand{\sign}{\mathop{\bf sign}} \newcommand{\innerp}[2]{\langle{#1},{#2}\rangle} % inner product \newcommand{\lspan}[1]{\langle{#1}\rangle} % linear span\]HTML Entities
Some symbols
Unicode symbols:
| symbol | description | HTML entities |
|---|---|---|
| ☐ ☐ | ballot box | ☐ or ☐ |
| ☑ ☑ | ballot box with check | ☑ or ☑ |
| ☒ ☒ | ballot box with X | ☒ or ☒ |
| ✓ ✓ | check mark | ✓ or ✓ |
| ✔ ✔ | heavy check mark | ✔ or ✔ |
For comparison, unchecked box:
Faces
😀 😁 😂 😃 😄 😅 😆 😇 😈 😉 😊 😋 😌 😍 😎 😏
★^^★
LaTeX
Math
\(\reals\) \(\complexes\) \(\integers\) \(\kclosure\) \(\Prob\) \(\Expect\)