Engineering and Scientific
This group includes packages for performing mathematical and scientific computations and plotting, as well as unit conversion.
- gnuplot - gnuplot - an interactive plotting program
 - kst - A data viewing program for KDE
 - netcdf - Libraries to use the Unidata network Common Data Form (netCDF)
 - openbabel - Chemistry software file format converter
 - opencv - Intel(R) Open Source Computer Vision Library.
 - plotutils - GNU vector and raster graphics utilities and libraries