For maths and scientific publications with WYSIWYG approach check TeXmacs: https://www.texmacs.org/tmweb/home/welcome.en.html https://www.texmacs.org/tmweb/hom

For maths and scientific publications with WYSIWYG approach check TeXmacs: https://www.texmacs.org/tmweb/home/welcome.en.html https://www.texmacs.org/tmweb/home/welcome.en.html Please note that despite the name it has nothing to do with TeX or Emacs.