title: How to change the excel function separator ";" to ","?
body: <p>In my Excel, I have to use <code>if(a=b;1;0)</code>.</p>
  
  <p>But I want to use <code>if(a=b,1,0)</code>.</p>
  
  <p>How could I change it?</p>
  
  <p>My OS is Mac OS.</p>