When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Vintage Hewlett Packard HP 28 S Advanced Scientific Calculator FOR PARTS Only:
$49.95
The calculator is untested for parts it hard to open and a chip on the case by the battery also some corrosion on the battery terminals.