Calculator, Battery Operated, Solar Powered, Display: Monochrome, :
From Amazon
SHARP EL-243S Pocket Basic Silver calculator
Conrad Electronic
Sharp EL-243 S Pocket calculator White, Blue Display (digits): 8 solar-powered, battery-powered (W x H x D) 64 x 11 x 105 mm
OnBuy
Sharp EL-243S Pocket Basic Silver calculator