I am used to typing in Tex (since am a member of math.stackexhange), I decided to use an editor to help my with the typing and based on recommendations I installed LyX (I am very new to this and a search in this forum didn't return a usefull results..).
My question is this : I have words that I constatly type (like \mathbb{R} etc'), can I create some kind of a shortcut so I would only type something like \fR (field R) or any other usefull tricks to not type the same thing over and over again ?