The 991ES Plus Scientific Calculator is a handheld device with a regular key size and a LCD display. It operates on battery or solar power, making it convenient for use anywhere. This model is designed for scientific calculations, making it ideal for students, professionals, and anyone in need of precise mathematical calculations. Its compact size and reliable features make it a valuable tool for various industries. Unbranded calculator with 417 functions, display expression same as textbook & Easy menu function.
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