Manufacturers: Teal
Teal (Tokyo Electron Applications Laboratory) were an inovative calculator manufacturer based in Tokyo, Japan. In 1977 they launched the Teal Photon which was a world first solar cell powered calculator
the calculator home page
Teal (Tokyo Electron Applications Laboratory) were an inovative calculator manufacturer based in Tokyo, Japan. In 1977 they launched the Teal Photon which was a world first solar cell powered calculator