Scientific Calculators for Students, 240 Functions 2-Line Standard Scientific Calculator, Cute School Office Supplies，Math Calculator for School (Pink)

["【Battery Power】Before using the calculator, please insert two AAA batteries.","【Turn Off】Simply press the \"SHIFT\" key, then press the \"AC\" key to turn off the calculator. If you forget to turn it off, the calculator will automatically turn off after 10 minutes of inactivity.","【Over 240 Functions】Including fractions, statistics, complex number calculations, base arithmetic, linear regression, standard deviation, computer science, and polar-rectangular conversions.","【12 Digit 2 line LCD display】Display fractions, derivatives, integrals, sums, and other operations similar to their display in books.","【Ultra-light & Portable】Made of durable ABS material. Dimensions: 0.59\"H x 3.22\"W x 6.37\"L. Weight: 4.25Oz."]