), t);
                          2
                         d
(%o3)                    --- (delta(t))
                           2
                         dt
(%i4) laplace (%, t, s);
                            !
               d            !         2
(%o4)        - -- (delta(t))!      + s  - delta(0) s
               dt           !
                            !t = 0
(%i5) assume(a&gt;0)$
(%i6) laplace(gamma_incomplete(a,t),t,s),gamma_expand:true;
                                              - a - 1
    