Hi, I uploaded an lmtx update (only m-mathfun added). Attached a short description of this (windy stormy friday afternoon) math experiment. The question is, what similar features using this trickery come to mind. Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------