ruby-ngraph 6.09.07-1build1 (s390x binary) in ubuntu noble

 This library provides an API to use ngraph-gtk. Ngraph is the program
 to create scientific 2-dimensional graphs for researchers and
 engineers. This program can create advanced graphs which can't be
 created by spreadsheets. Graphs can be exported to postscript.
 .
 This package contains a library for using ngraph-gtk in Ruby programs.