Vintage Hewlett Packard HP 11C Programmable Scientific Calculator Case WORKING

Vintage Hewlett-Packard HP 11C scientific programmable calculator. * Fully tested and working * Built-in HP self-test completed successfully * All keys responsive * LCD display is clear and easy to read * Clean battery compartment * Made in the USA * Serial number indicates 1988 production * Includes original HP slip case Please review all photos for cosmetic condition.

Related Images:

Texas Instruments TI Exactra 20 LED Calculator Tested Works W/case VTG Star Wars

Item shows age, wear, patina, and possible writing/staining. Tested and works! Please view photos for best representation of condition. Zoom in on photos for a close-up view. Thank you for your support! We are a family-run business, and workhard to provide the best customer service possible. Please contact us with any questions or concerns.

Related Images:

Vintage Sharp EL-8 Calculator Comes With EL-81 Power Supply Read Description

Sharp EL-8 calculator as shown. Battery doesn’t hold a charge (as expected for its age). Some display numbers are dimmer than others. Red alarm light shows when plugged in and switched to DC (pictured). When switching from OFF to AC, sometimes the display appears to show a counter that’s counting up, even if the display was cleared before switching to OFF. When cleared, some basic math functions appear to work, but cannot verify every function.

Related Images:

70s Red 4 Button Handy Adder Calculator Unbranded Works Dollars Vintage Counter

This vintage 70s Red 4 Button Handy Adder Calculator is a unique and retro piece of consumer electronics. Made in Hong Kong, this calculator features a simple design with four buttons for addition. Despite its age, it is still fully functional and can add up dollars with ease. Perfect for collectors or those looking for a nostalgic touch to their workspace, this vintage calculator is both practical and stylish.

Related Images: