Casio OH-300ES

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'The Educator OH-300ES Overhead Calculator is a calculator made of glass that it designed to be placed on overhead projectors. It emulates the Casio FX-300ES scientific calculator, and has a projective screen.

It originally cost $129.99.

Our calculator is complete with its protective pouch, plastic case and instructions

Manufacturer: Stokes Publishing Company
Date: 2012

This exhibit has a reference ID of CH47548. Please quote this reference ID in any communication with the Centre for Computing History.


Casio OH-300ES

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