Online Algebra Calculator
Many of users do not use powerful Maxima computer algebra system for systematic work, but for ad hoc algebraic calculations – equations, functions, matrixes, etc. only. To do this job, it is not useful to download the whole application from a web site.
Function: example (<topic>)

Function: example () example (<topic>) displays some examples of <topic>, which is a symbol or a string. To get examples for operators like if, do, or lambda the argument must be a string, e.g. example ("do"). example is not case sensitive. Most topics are function names.
example () returns the list of all recognized topics.
The name of the file containing the examples is given by the global option variable manual_demo, which defaults to "manual.demo".
example quotes its argument. example returns done unless no examples are found or there is no argument, in which case example returns the list of all recognized topics.
Examples:
(%i1) example(append);
(%i2) append([x+y,0,-3.2],[2.5E+20,x])
(%o2) [y + x, 0, - 3.2, 2.5E+20, x]
(%o2) done
(%i3) example("lambda");
(%i4) lambda([x,y,z],z^2+y^2+x^2)
2 2 2
(%o4) lambda([x, y, z], z + y + x )
(%i5) %(1,2,a)
2
(%o5) a + 5
(%i6) a+2+1
(%o6) a + 3
(%o6) done
(%i7) example("allROOTS");
(%i8) (1+2*x)^3 = 13.5*(1+x^5)
3 5
(%o8) (2 x + 1) = 13.5 (x + 1)
(%i9) allroots(%)
(%o9) [x = .8296749902129361, x = - 1.015755543828121,
x = .9659625152196369 %i - .4069597231924075,
x = - .9659625152196369 %i - .4069597231924075, x = 1.0]
(%o9) done(%o1) true (%i2)