You can also find the numbers of the characters by referring to the character map on your computer.
Some people feel that named character entities are safer to use than numbered.
Please bear that in mind when you use these characters. Some people feel that named character entities are safer to use than numbered. I have shown both in the following table. However, some browsers may not render the named character entities. The tiny italic entities in brackets are supported by my version of NS4 but may not be by various other systems.