Branded merchandise collection - Electronic calculators and expansion cards - Sharp y Casio

This set includes several classic electronic organizers and pocket calculators from brands like Casio and Sharp.

Digital Organizers: vintage models such as the Casio SF-4000 and the Citizen ED-3800, which functioned as data organizers, calculators, and phone directories.
Accessories: memory expansion cartridges and instruction manuals for Sharp devices.

These devices, popular in the late 80s and early 90s, stored basic information and performed calculations using LCD displays and small QWERTY keyboards.

NOT SURE IF THEY WORK

Shipped via UPS Express and carefully packaged