Hot answers tagged google-chart-api
You could create a shared Google Document, put equations in the document (via Insert->Equation) and use the chat window that is available in all Docs applications. It won't allow the equations to appear inline with the chat, but at least you'd be able to see them and discuss...
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 :)
You can try Pidgin (http://www.pidgin.im/) is an IM client for windows, MacOS and Linux. Then install this pidgin plugin: pidgintext
The Chart Gallery in Google Developers - Google Charts is a collection of demos about using code to create charts. This charts can't be inserted in a Google Sheets but they could a Google spreadsheet as data source. It's worth to say that the Column Chart that can be inserted in a Google spreadsheet, but could be a bit tricky to add the annotations. For ...
The Google Developers Chart Gallery include examples of charts and buttons with the text "CODE IT YOURSELF ON JSFIDDLE", so we could say that Google Code Playground, at least in relation to the Charts API, was moved to JSFIDDLE.
As far as I know, there isn't a way to do that. Instead, create a Web App as it accomplish the three requirements. Reference Web apps and Google Sites Gadgets - Google Apps Script
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: ...
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