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With a high-resolution LCD screen, the fx-991EX allows for more information to be displayed for applications like spreadsheets and 4x4 matrix

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Redesigned ES PLUS series calculators featuring easy-to-understand Natural Textbook Display, Non-Programmable Scientific Calculator with 417 Functions

Casio FX-991ES Plus-2nd Edition Scientific Calculator

Casio FX-83GTCW, FX-85GTCW, FX991CW Classwiz Scientific Calculator Range

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