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You are here: Experts > Science > Science/Nature for Kids > Science for Kids > solar calculator
Expert: Ralph Salier-Hellendag - 11/3/2009
Question
what is a solar calculator what are its advantages and disadvantages?
Answer
Hi Namita,
A solar calculator is very simply a calculator that uses a small Photovoltaic cell or solar battery to gather sunlight and convert this into electricity to run the calculator. Such a calculator works well with many sources of light, even candle light. BUT does not work in the dark. Many solar calculators also have a battery back up which the solar cell can recharge, but not all do.
So, advantages:
Uses light to run the calculator
does not need replacement batteries
can work even with candle light (in most cases)
Disadvantages:
Does not work in the dark unless it has a battery back up.
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