I sometimes use a compass to help with finding directions for DAVENING. Can I use a compass on Shabbos/Yomtov for this purpose? Is a compass muktza?
No, a compass is a utensil with a permissible Shabbos use, known as a “kli shemelachto leheter”, and does not have muktzeh status.
Shulchan Aruch O:C 308:4.