The Casio FX-991EX Scientific Calculator Classwiz is a compact handheld calculator that is ideal for office and school use. With a regular-sized LCD display and standard key size, it is designed for straightforward calculations. This unit is powered by solar energy and a battery backup, ensuring that you can rely on it for your mathematical needs. The Casio brand is known for its durability and accuracy, making this calculator a reliable choice for everyday use.
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