Hewlett Packard HP-33s Scientific Calculator - Computer - with Cover

Photo 1 and 2 are the result of a display test and a keybord test.

Its main features are:

-RPN or traditional semi-algebraic (infix data/algebraic operator entry/postfix one-number function entry), user-selectable
-Two-line LCD
-Full scientific/engineering mathematical features
-Keystroke-programmable with full boolean and program-control command sets and line edit, insert and delete
-HP "equation list" equation editor (fully algebraic) in both the stand-alone list as well as in keystroke programs
-HP Solver feature (solves equations and functions for one unknown)
-Function integration feature
-All mathematical operations and features fully functional in all modes
-Unit conversion and constants
-31 KB of random-access user memory (equivalent to about 7 KB on earlier HP programmable models)

The calculator will be packed carefully.