For your consideration, here is a Used Casio fx-115s VPAM Engineering and Statistics Calculator, two way power, made in Indonesia. It has been tested and it works great. It has some wear on it, mostly on the outside surfaces of the flip-up case. I am not sure of the state of the batteries. It starts right up on the solar. Item pictured is the actual item up for sale and comes from a non-smoking household. (211.279b-.10hc)