Maxima Function
display (expr_1, expr_2, ...)
Displays equations whose left side is
expr_i unevaluated, and whose right side is the value of the expression
centered on the line. This function is useful in blocks and for
statements in order to have intermediate results displayed. The
arguments to display
are usually atoms, subscripted variables, or
function calls. See also .
(%i1) display(B[1,2]); 2 B = X - X 1, 2 (%o1) done