I am between asciidoc and org-mode. Org-mode has nice note-taking features. Asciidoc has the best export (html and pdf) I've seen. With the calc package, emacs

I am between asciidoc and org-mode. Org-mode has nice note-taking features. Asciidoc has the best export (html and pdf) I've seen. With the calc package, emacs can even do basic symbolic math (e.g calculate a derivative function)!