You ABSOLUTLY need : In libs: - mtool.library (if you have a FPU, rename the fpu-version to mtool.library). - the both mathieee#?.library's - asl.library - diskfont.library In the current directory (or whatever you said in the .info-file): - TextDaten or TextDaten_E If you use the program more than once, you should: - copy ilbm.library (should be available i.e. on Fish-disks) to libs: (you need this to save the screen as an IFF-file). - copy Colours, Funktionen and MPlotDef to s: - copy (and perhaps rename) TextDaten(_E) to a safe place and change the entry in the .info-file - copy all files in Macros to rexx: