[R] Need help on date calculation

[Gabor Grothendieck]

On Sat, Jul 10, 2010 at 3:34 PM, Bogaso Christofer
<bogaso.christofer at gmail.com> wrote:
> Thanks Gabor for your input. However my question is, is your solution
> general for any value of "a" and "b?"
>

#1 and #2 are general.

For #3 I think there is a possibility you might in general have to do
the same tricks as #1 and #2 but am not sure.  Suggest you discuss
with author of mondate package.