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I use a calculator everyday at work. I am sure depending on your job most people you know use them as well if not at work maybe at home. I came across this super cool calculator on my search for new fun green office products. This calculator doesn’t run on batteries it runs on juice, water, soda even beer!! What a cool idea! This is a great gift or even a great idea to introduce to your boss and or co-workers. The best part is that it only costs $9.00! This is something small that everyone can do for themselves, students, coworkers and businesses. One small step can have a big impact on our environment.

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