title: Display mathematics symbols in Typora
body: <p>I read the leetcode's official solution to <a href="https://leetcode.com/problems/reverse-integer/solution" rel="nofollow noreferrer">reverse an integer</a></p>
  
  <p>Upon copying the following to my markdown notes</p>
  
  <p><a href="https://i.stack.imgur.com/Q15MU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Q15MU.png" alt="enter image description here"></a></p>
  
  <p>but got </p>
  
  <p><a href="https://i.stack.imgur.com/qiiJg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qiiJg.png" alt="enter image description here"></a></p>
  
  <p>I use typora which is usually powerful.</p>
  
  <p>Why the contents failed to display as it is on the website?</p>