\input{umtest-preamble} \usepackage{unicode-math} \setmathfont{STIXGeneral-Bold} \begin{document} \[\mathbfsfup{\GREEKtext}\] \[\mathbfsfup{\greektext}\] \[\mathbfsfup{\GREEKmath}\] \[\mathbfsfup{\greekmath}\] \end{document}