The Scientific Calculator FX 991ES-PLUS by CTIFREE is a versatile tool suitable for office, university, and school use. With 417 functions, including scientific calculations and calculus features, this handheld calculator with regular key size and LCD display offers precision and efficiency for various tasks. Powered by solar energy and batteries, this model FX-991ES PLUS is designed for convenience and reliability in a compact and portable design. Ideal for those in need of a reliable scientific calculator for their everyday mathematical needs.
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