This vintage Casio calculator projector is a must-have for anyone interested in retro office equipment. The OH-260 model features a large display and keyboard, making it perfect for educational purposes or for use as a desktop calculator. The projector is solar-powered and is designed to work with various Casio calculator types. The calculator's brand is Casio, and the key size is large. The display size is also large, making it easy to read calculations. This model is perfect for anyone who loves vintage office equipment or is interested in the history of Casio calculators.
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