modulus `a``n``...`procedureComputes the difference of

`a`and all`n`parameters or the additive inverse of`a`just like the standard procedure`-`does, but operating on the finite field with the given`modulus`.

modulus `a``n``...`procedureComputes the difference of

`a`and all`n`parameters or the additive inverse of`a`just like the standard procedure`-`does, but operating on the finite field with the given`modulus`.