Calculator, Solar Powered, Battery Operated, Display: Monochrome, :
From Amazon
Olympia 1110 Pocket Calculator with LCD Red
Conrad Electronic
Olympia LCD 1110 Pocket calculator Black Display (digits): 10 solar-powered, battery-powered (W x H x D) 70 x 10 x 117 mm
OnBuy
Olympia LCD 1110 Handheld Calculator, Battery, Solar Energy Driven