There are several ways to enter the special characters that are not present on a standard keyboard.

Using a Full Character Name...

Type \[ and the start of a character name. Choose the character from the autocomplete menu:

  • See the Letters and Letter-like Forms tutorial for a complete list of named characters.
  • If you are using a text interface, type the complete character name; for example, \ [Alpha].

Using a Character Alias...

Type (which displays as Esc), an alias name and :

Using the Special Characters Palette...

Choose Palettes Special Characters to bring up the Special Characters palette and click a character to insert it:

  • Hover over a character in the palette to see its full name and alias.

In URLs...

Most special characters are not allowed in URLs, but they can be represented with UTF-8 encodings. Use URLEncode to convert to UTF-8:

In[1]:=
Click for copyable input

Using a Full Character Name...

Type \[ and the start of a character name. Choose the character from the autocomplete menu:

Using the Sidebar...

Choose Insert Special Characters to bring up the Special Characters sidebar and click a character to insert it:

In URLs...

Most special characters are not allowed in URLs, but they can be represented with UTF-8 encodings. Use URLEncode to convert to UTF-8:

In[2]:=
Click for copyable input

Using the Keyboard...

Some special characters can be accessed from the keyboard by pressing the alternate characters key:

Using a Full Character Name...

Type \[ and the start of a character name. Choose the character from the Autocomplete Bar that appears at the top of the keyboard:

In URLs...

Most special characters are not allowed in URLs, but they can be represented with UTF-8 encodings. Use URLEncode to convert to UTF-8:

In[3]:=
Click for copyable input