Hewlett Packard HP 15C Vintage Scientific Calculator w/ Box and Manual - Tested. Has some cosmetic blemishes and a bit of stubborn dust; see photos. What you see in the photos is exactly what you will receive.The item "Hewlett Packard HP 15C Vintage Scientific Calculator with Box and Manual Tested" is in sale since Saturday, February 9, 2019. This item is in the category "Business & Industrial\Office\Office Equipment\Calculators". The seller is "dave-blank" and is located in Seattle, Washington. This item can be shipped worldwide.