Binary package “ftools-pow” in ubuntu oracular
Curve plotting and image display interface tool
POW is a curve plotting and image display interface tool written and
distributed by the HEASARC at NASA/GSFC.
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POW features a very flexible developer's interface and a "friendly" end user
GUI interface. POW is a Tcl/Tk extension and can be called from standard C or
FORTRAN main programs.