>Hi!
>
>Say I've got a list of calls I want to make in a day.
>
>Say I have ten calls, I want to work out every combination of order of visits.
>
>Has anyone any ideas on how I would achieve this?
>
>Any help extremley appreciated

This might be of use to you - it is not permutations, but calculating the distance between two points...
MATH - getting rows within a radius Thread #1219992 Message #1219992