A mobile information apparatus for making mobile payments associated with a credit card or bank card, via a near distance radio frequency wireless communication, is herein disclosed
According to the least action principle, the motion of a physical system from time t1 to time t2 is such that the following line integral, t2 S = (T − U)dt t1 (3) where T is the kinetic energy, an extremum relative to all other paths. It was shown that the path with the ...