The Casio fx-991ES PLUS Scientific Calculator is a reliable and powerful tool for solving complex equations and calculations. With over 417 functions, including capabilities for complex number calculations, matrix calculations, and integration/differentiation, this calculator is ideal for students, professionals, and anyone in need of advanced mathematical capabilities. The natural-V.P.A.M. display and regular key size make it easy to use, while the battery power source ensures you can always rely on it for your calculations. Made in the United Kingdom, this Casio model is a top choice for those seeking a high-quality scientific calculator.
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