The Maxima on-line user’s manual can be viewed in different forms.  From the
Maxima interactive prompt, the user’s manual is viewed as plain text by the
? command (i.e., the describe function).  The user’s manual is
viewed as info hypertext by the info viewer program and as a
web page by any ordinary web browser.
example displays examples for many Maxima functions.  For example,
(%i1) example (integrate);
yields
(%i2) test(f):=block([u],u:integrate(f,x),ratsimp(f-diff(u,x)))
(%o2) test(f) := block([u], u : integrate(f, x),
                                         ratsimp(f - diff(u, x)))
(%i3) test(sin(x))
(%o3)                           0
(%i4) test(1/(x+1))
(%o4)                           0
(%i5) test(1/(x^2+1))
(%o5)                           0
and additional output.