I just found an error in GiNaC's INSTALL file. The last line should read > 5.14.45 | compiles fine, works like a charm instead of < 5.14.45 | compiles fine, still some weirdnesses during execution I had a wrong link when I tried it. :-) -richy. -- Richard B. Kreckel <Richard.Kreckel at Uni-Mainz.DE> <http://wwwthep.physik.uni-mainz.de/~kreckel/>