  Using the tadpole improved Wilson quark action on small, coarse and
anisotropic lattices, $K\pi$ scattering length in the $I=3/2$ channel is
calculated within quenched approximation. The results are extrapolated towards
the chiral and physical kaon mass region. Finite volume and finite lattice
spacing errors are also analyzed and a result in the infinite volume and
continuum limit is obtained. Our result is compared with the results obtained
using Roy equations, Chiral Perturbation Theory, dispersion relations and the
experimental data.
