Onyx and Green Calculator 8 Digits Solar-Powered

Onyx and Green’s 8-digits solar powered calculator with large display, no battery is required. 100% biodegradable bamboo casting and keys, assembled by hand. The ideal hand held calculator on the market! Package made from recycled unbleached carton. About bamboo products: bamboo is the fastest growing plant on earth. It is known to produce greater biomass and 30% more oxygen than a hardwood forest of comparable size, while improving watersheds, preventing erosion, restoring soil, providing sweet edible shoots and removing toxins contaminated soil.

• Solar-powered
• Packaging: recycled kraft blister card/soy-based ink
• Bamboo casing and keys
• Large display