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The Solar Calculator for School or Office.

The Solar Calculator for School or Office.

Why use calculators battery operated while real solar calculators scientists are now available at very low prices?

Some calculators work only with solar energy and others have a battery that takes over in the absence of sufficient light.

Savings

Batteries used by calculators classics are often expensive and have a limited lifespan. A real clever stingy will rule this choice out quickly.

By using the free and inexhaustible solar energy, I save the batteries of course but in addition I do not spend more money on the purchase!

The cost of buying a solar calculator is equivalent to that of a conventional battery-powered model.

A smart purchase to save money at home, at school and at the office!