AOMX has a free-format input syntax at its disposal that allows for
flexible control of the calculation. The model parameters and
coordinates need not necessarily be supplied directly, but may equally
well be associated with freely namable and arithmetically
connectable
variables for which even variation loops may be defined.
This makes it possible to apply many different parametrization
schemes (for instance 
instead of 
), and
it facilitates the exploitation of symmetry for the construction of
coordinates of for optimiziation and variation of parameters.