On Seg, 2008-12-29 at 13:10 -0700, Robert Dodier wrote: > Does plot2d(sin(x), [x, -3.25, 3]); yield a correct plot? yes, it works fine for me and *READ-DEFAULT-FLOAT-FORMAT* is DOUBLE-FLOAT in two machines I have with Ubuntu 8.04 + SBCL 1.0.11 + Maxima 5.16post. Jaime