Hot answers tagged google-chart-api
I personally use MathIM, which is an online chat room which parses everything between $$'s in your message as TeX. It's perfect for talking to my friends when I need to use math equations. It seems to be exactly what you are looking for :)
As far as I know, you do not need to host the actual image of the chart. On the contrary, you provide the chart parameters as a URL, it get created and hosted by Google, and you get shown the result. So all you have to do is add an image and set it's source to create the desired chart. Case in point: ...
Only top voted, non community-wiki answers of a minimum length are eligible