Thanks Istvan Blahota Now I run Maxima 5.29.1 on Ubuntu (%i1) wxbuild_info()$ wxMaxima version: 12.4.1 Maxima version: 5.29.1 Maxima build date: 2013-01-23 09:50:12 Host type: x86_64-unknown-linux-gnu Lisp implementation type: SBCL Lisp implementation version: 1.0.55.0.debian Aleksas D