/usr/share/kde4/apps/libanalitza/plots/3Ds.plots is in analitza-common 4:4.14.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | plane1 := (x, y, z)->(x+y+z)-1
plane2 := (x, y, z)->(x+y+z)-5
|