** Next:** Signature of unknowns
** Up:** Modular mappings
** Previous:** Rational expressions

It is always possible to compute signatures in a larger congruence
i.e.
for integer *m*.
This is not advantageous in general except for the computation
of some inverse functions as will be seen later.
In general the computation mod *mn* will be more expensive than
mod *n*.

*Gaston Gonnet*

*1999-07-04*