Function: delta (<t>) The Dirac Delta function.
laplace knows about the
(%i1) laplace (delta (t - a) * sin(b*t), t, s); Is a positive, negative, or zero?
p; - a s (%o1) sin(a b) %e
There are also some inexact matches for
?? delta to see them.
(%o1) true (%i2)