The Osalo Scientific Calculator OS991 ES Plus 2nd Edition is a powerful tool designed for school and college students preparing for exams. 【417 Functions Scientific Calculator】With 417 functions for fractions, exponents, matrix calculations, statistics, integral, algebra, complex number calculations, standard deviation, solving for variables, permutations and combinations, and linear regression, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams.
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