The Casio 2nd edition FX-300MSPLUS2 has a new sleek design and 2-line display. Great Scientific Calculator choice for Middle School through High School. Fraction Key for easy entry. Convert fractions and mixed numbers to their decimal equivalents. Calculator is perfect for general math, pre-algebra, algebra 1 and 2, geometry, trigonometry, statistics, science, biology and finance. Protective case ensures safe storage and transportation. Solar-power with battery back-up.