The Casio FX-991ES Plus Scientific Calculator is a handheld device powered by a battery or solar source. It features a regular key size and is specifically designed for scientific calculations. With the Casio brand reputation for reliability and quality, the FX-991ES Plus model is a popular choice for students, professionals, and anyone in need of precise mathematical calculations on the go. Its compact size and durable construction make it a convenient tool for various office and industrial applications. Box-9. 112525-3
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