Nastars - Casio Scientific Calculator FX-991ES PLUS-2 FX991ESP2 LKR 8,950.00 417 functions Natural textbook display Solar and battery display Fraction calculations Combination and permutation Statistics (List-based STAT data editor, standard deviation ...
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Statistical calculations (stat), Inputting data, E-22 | Casio fx-991ES PLUS User Manual | Page 23 / 46 | Original mode
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Casio FX-991ES Plus Non-Programmable Scientific Calculator, 417 Functions : Amazon.in: Computers & Accessories
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