Method (3000), implemented by computer, for classifying
handwriting into a plurality of membership classes C_j, each of which corresponds to a particular anatomical area Z_i of the
palmar surface of a hand, said method (2000) takes, as input data (I3000), at least one
handwriting D, and provides, as output data (O3000), a membership class C or a
list L of membership classes C_k of the
handwriting D from among the plurality of membership classes C_j.