Yes, You have read it correctly! It's a water powered calculator. We have all heard about battery powered calculators and solar powered calculators, but water powered calculators… this is the first.
Well, water powered calculators make use of water to power the calculator. How does this happen? Well, water creates a sort of chemical reaction in the fuel cell that has zinc anode and cathode, and this reaction creates an electrical current.
This current powers the calculator. The calculator is of a standard type, with standard functions. However, when you find it not working for want of power, just take it to the nearest fountain for a re-charge.
The solar powered calculators, use less battery powers, but they still need batttery backups, which has to be replaced causing unwanted wastes. But with these water powered calculators there is no waste at all, and if what the makers of these calculators claim is true, then one can recharge it straight from the tap! The water-powered calculator can calculate for up to a month on less than a cup of water.
The regular price of this wonder machine is not astronomical at around 20$.Whatever it may be, this “green” calculator is indeed an eye-catcher, and sure to become a cynosure of all who wants to save power.
Water Powered Specs
* Eco-friendly new battery can be re-energized by addition of water again and again
* Battery can be stored in a dry state indefinitely, and activated when needed
* Ergonomic design
* Rectangle shape
* Large LCD display
* 12-digit display for home, school or professional use
* Large easy to use buttons
* Buttons measure approx 3/8-inch square
* Includes standard adding machine functions such as memory + or -, last digit correction, rounding, automatic decimal, etc.
* Two non-slip feet on bottom of calculator
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