Package: xfoil

"xfoil" package binaries on CentOS:

/usr/bin/pplot /usr/bin/pxplot /usr/bin/xfoil

You may install this package on CentOS with yum install xfoil

"xfoil" package binaries on Debian:

/usr/bin/pplot /usr/bin/pxplot /usr/bin/xfoil

You may install this package on Debian with apt-get install xfoil