Stir together flour, baking powder, salt and soda - set aside. Cream butter and sugar until light. Beat in one egg at a time. Stir in flour mixture, vanilla, oats then coconut. Drop by teaspoonful 3 inches apart on ungreased cookie sheets. Bake in preheated 375 degree oven 10 to 15 minutes or until lightly browned. Cool on rack. 75 calories per cookie.