Two Vintage Solar Powered Calculators 8” Rulers Parker & Digitech E644 Untested. These are 2 in 1 calculator and rulers. Both made in Taiwan.

Both calculators are untested with batteries dead. Digitech model is missing three screws on the back. Sold as is. See photos.

- Digitech model E644 with metric conversion table on the back.

- Parker model with metric conversion table on the back.

USA seller and shipper