The Casio SL-300SV is a no-frills pocket calculator which simply does what you need it to do. It's dual powered, with an auto power off feature to help save energy. A large 8 digit display and non-stick plastic keys make this a calculator which is both easy to read and easy to use. Other useful features include % tax calculations, 3 currency conversions, 3 digit comma separations and +/- sign change key.
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