If you’re new to LaTeX, I presume that Lyx might be a good start, but personally I prefer AUCTex with standard Emacs – the zoom feature being in my PDF viewer (

If you’re new to LaTeX, I presume that Lyx might be a good start, but personally I prefer AUCTex with standard Emacs – the zoom feature being in my PDF viewer (evince-gtk for simplicity).