TeX doesn't preclude diagrams. I use TikZ extensively, and I've found it much easier than any graphical diagram tool I've ever used. (As with most of TeX, it ha

TeX doesn't preclude diagrams. I use TikZ extensively, and I've found it much easier than any graphical diagram tool I've ever used. (As with most of TeX, it has a learning curve, but then a much easier steady-state after that learning curve.)