Memory Module RC-4 (4kb)
It has been tested and it works perfectly.
It comes with the batterie recently changed (CR2016).
The one for sale is the one in the photos. It is delivered as how it is in the pictures.
The memory module is compatible with the following calculators Casio
FX-720P, FX-720PF, FX-750P, FX-750PF, FX-820P, PB-410, PB-410F, PB-500, PB-500F, PB-500(s).
Discounts applied on shipping costs when buying more than one item.
Shipments are sent from Valencia (Spain). All shipments are insured. International shipments are by aeroplane.