Hi, You can do exactly the same with us now, try:

http://www.codecogs.com/components/equationeditor/equationeditor.php?tw&latex=1@plus;sin(x)

The only thing to be wary of, and I'm not sure what number empire does with this, is you can't use '+' in a url to a webpage with some browsers. Its a problem will any and all webpages. What we do is replace '+' with '@plus;', and make a conversion back on the server side.

We're aware that the copy-to-clipboard board problem. W