Unicode HTML Character Codes
There are many more math symbols then these.
This is just a starter collection as I work to get this section of my website up and going.
I will be putting more of them here and making several other collections too.
Add / Plus
Subtract / Minus / Dash / Hyphen
Greater Than Sign
Less Than Sign
Per Thousand Sign
Superscript Two - Squared
Superscript Three - Cubed