Rare VTG Hewlett-Packard HP 27 Handheld Scientific Calculator Owner's Handbook

This includes all the instructions on how to use the calculator. Discolored strip on right side is likely from a label. We have not cleaned any part of this calculator. We wanted to leave that to an expert.

File:Vintage Hewlett-Packard Model 21 Electronic Pocket Calculator, Made in the U.S.A., A Scaled-Down HP 25, Circa 1975 (11574422413).jpg - Wikimedia Commons

RARE HEWLETT-PACKARD HP 27 HP27 Hand-held Scientific Calculator Vintage $374.95 - PicClick

Vintage Calculators

The HP-35 Calculator

You will receive the EXACT item as pictured, in its current condition. This is prohibited by US custom regulation. What you see in the images is what

RARE Hewlett Packard HP-25 Scientific Calculator + Handbook Case UNTESTED AS-IS

Once Upon a Pocket: Programmable Calculators from the Late 1970s and Early 1980s and the Social Networks Around Them

HP-27S Owner's Manual - HP Calculator Literature

A time-tested performer, the HP 12c has an easy-to-use layout, one-line LCD display and efficient RPN data entry. Easily calculate loan payments, interest rates and conversions, standard deviation, percent, TVM, NPV, IRR, cash flows, bonds and more. Over 120 built in functions.

HP 12C Financial Calculator

This includes all the instructions on how to use the calculator. Discolored strip on right side is likely from a label. We have not cleaned any part

Rare VTG Hewlett-Packard HP 27 Handheld Scientific Calculator Owner’s Handbook

Handheld HP calculators, from the hp-35 to the hp-50g - Numericana

Near mint condition. Cleaned, fully tested, and fully functional.

Vintage HP 12c Financial Calculator, Case and Handbook & problem solving guide