/*
       This is a test file of TeXetting for vaxima
       tested function: tex(exp,"filename");
                        texautolabel(integer);
                        texlabelright();
                        texend();
                                               */
/* set autolabeling mode for TeX and start with 2 */
texautolabel(2);
texlabelright(); /* set right-labeling mode */
expr1:(1/(delta-nabla)^3+zeta/(delta+nabla)^2)^2;
tex(%,"tex4.tex");
expand(expr1,2,0);
tex(%,"tex4.tex");
logexpand:all;
log(omega*varphi);
tex(%,"tex4.tex");
psi^28+1;
tex(%,"tex4.tex");
texend("tex4.tex");