http://maxima.sourceforge.net/docs/tutorial/en/gaertner-tutorial-revision/Contents.htm
https://themaximalist.org/ https://wxmaximafor.files.wordpress.com/2015/06/wxmaxima_for_calculus_i_cq.pdf https://wxmaximafor.files.wordpress.com/2015/06/wxmaxima_for_calculus_ii_cq.pdf
maxima -b file.mac >> output.out
maxima --batch-string="batchload("filename")$"
showtime : true;
for n:1 thru 5 do
( lst: concat("set term x11 ", n)
, plot2d( sin(n*x)
, [x,-%pi,%pi]
, [gnuplot_preamble, lst]
)
);