How do you type ∅?

You can type the ∅ symbol, often used to denote the empty set or null set, using a couple of different methods.

Methods for Typing ∅

Here are the common ways to type the ∅ symbol, as described in the reference:

• Using Symbols Menu:

  1. Locate the "Symbols" menu in your application (this is often in a "Insert" tab).
  2. Navigate to "Mathematical Characters".
  3. Select "Subset" from the dropdown.
  4. You should find the ∅ symbol in this list and can select to insert it.

• Using Alt Code:

  1. Type the number 2205.
  2. Immediately press Alt + X. This will convert the typed number to the ∅ symbol.

Summary

Method	Steps
Symbols Menu	Navigate to Symbols > Mathematical Characters > Subset, then select ∅
Alt Code	Type 2205, then press Alt + X

These methods should help you insert the ∅ symbol in most text editors and applications that support mathematical symbols.