These fonts are needed for the visual math symbol display in LyX. They can also be used to display MathML in Gecko-based browsers like Firefox.

The ncurses library routines are a terminal-independent method of updating character screens with reasonable optimization.

This gtk module allows you to take a screenshot of a running gtk-3 application as a vector image, with fully scalable graphics and selectable text. It supports rendering the application to PDF, SVG and PostScript.

This metapackage depends on the NVIDIA binary driver and libraries that provide optimized hardware acceleration of OpenGL/GLX/EGL/GLES/Vulkan applications via a direct-rendering X Server.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.