We write equations in latex to collaborators but most of them have to be read and interpreted in latex. It is only too natural to have some interpreter which converts the latex code into graphical output in the communication mediums like email client and chat clients. I would describe three possible ways to share equations with collaborators. Gmail - To send equations in email had always been hassle. Either we had to send the raw latex codes or send copy paste of the output from some latex compiler. Now, latex codes could directly be compiled in gmail . Install, gmailtex http://alexeev.org/gmailtex.html . The site provides all information needed to get it working. I prefer the greasemonkey script method because no fonts etc. needs to be installed. But since it fetches fonts online you need to have good internet connections. For slow connections stick to local install methods. Note - Just remember to turn off rich text formatting for gmailtex to be able to compile. Gmail chat - htt...