The Casio FX-991EX Classwiz Scientific Calculator in black is a handheld device perfect for students and professionals alike. With regular key size and LCD display, along with a backlight for easy viewing, this calculator is powered by solar energy or battery. The Casio fx-991EX model is equipped with advanced calculus features, making it a reliable tool for solving complex mathematical equations. Ideal for those looking for a compact yet efficient scientific calculator for everyday use.
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