# Tag Info

1

As indicated by my comment, one can start with my answer at Upright Greek font fitting to Computer Modern. However, here, I extend that to take into account the current math style, and also to show how the process can be automated by redefining the greek letters. \documentclass[a4paper]{article} \usepackage{mathptmx,pslatex,scalerel} \newsavebox{\foobox} ...

10

You can create upside-down versions of \pi with the help of the \rotatebox and \reflectbox macros of the graphicx package. Two possibilities are shown in the following screenshot. \documentclass{article} \usepackage{graphicx} % provides "\rotatebox" and "\reflectbox" macros \newcommand\rotpi{\rotatebox[origin=c]{180}{$\pi$}} ...

4

Since you're using fontspec and therefore xelatex (or lualatex), you need to specify a font. You can choose one from your own OS that you know supports all the glyphs you're going to have in your thesis. This is an example with Linux Libertine O, but you can pick any font as long as it's in your own system. Add it using \setmainfont{Linux Libertine O}, for ...

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