How to write (×) Multiplication sign in editor?

Click Start > All Programs > Accessories > System Tools > Charcter Map. In the font list click "Wingdings". There are two crosses on the third row.
Click the × symbol then click "Select" and finally "Copy"
Thats it, Now paste it where you want to type it.

Shortcut Method :

1 .Press Windows key + R
2. Type "charmap"

Enjoy Symboling........