Casio FX-991ES Plus 2nd Edition Scientific Calculator – 417 Functions with Natural Textbook Display

The Casio FX-991ES Plus 2nd Edition is a versatile non-programmable scientific calculator ideal for students, engineers, and professionals. It features 417 built-in functions including trigonometry, statistics, integration, differentiation, matrices, vectors, and complex numbers. The Natural Textbook Display shows equations as they appear in textbooks on a high-resolution 10 + 2 digit dot matrix LCD. Powered by solar and battery, with a durable body, color-coded keypad, and slide-on hard case, this exam-approved calculator is perfect for school, college, and competitive exams.