Legendary Hewlett Packard HP35s Scientific Calculator - Tested Nr Mint

Calculator near mint condition, case has some damage as per photos

The HP35S (2007-2021) was introduced to celebrate the 35th anniversary of the HP35 - The World's First Pocket Scientific Calculator, and boasts an impressive lineage, keeping the unique look and feel of this engineered-to-last design

The HP35S lets you choose RPN (Reverse Polish Notation) or algebraic entry-system logic (no other scientific calculator offers both).

It also features a large, two-line alphanumeric display and adjustable contrast, plus a robust library of built-in functions and constants.

Choose RPN or Algebraic entry-system logic.
- Work efficiently with the keystroke programming
- Efficiently tackle heavy workloads with the 30KB memory and 800+ independent storage registers.
- Store an equation, then use it again to solve any variable using HP Solve, or employ any of 100 built-in functions.
- View entries, results, menus, and prompts with ease on the large, two-line display with adjustable contrast.
- Simplify calculation with the 42 built-in physical constants.

Weight: 125 g (4.4 oz).

Supplied with brand new CR2032 batteries

HP35S Self Test Passed - see photo. Carefully packed and shipped.

Full User Manual and Programming Guide available online from HP - https://literature.hpcalc.org/items/171


The calculator has been engineered for heavy-duty professional use, and has been tested under extreme environmental conditions.It is built using 25 screws for rigidity and ease of maintenance.

The case features many design elements from 1970s HP calculators such as the ground-breaking HP 65, including a black case with silver-striped curved sides, slope-fronted keys, and gold and blue shift keys. The faceplate is metal, bonded to the plastic case.