✅ Fx 991MS 2nd Edition Scientific Calculator is an advanced and reliable tool for students and professionals. With 401 built-in functions, it covers a wide range of mathematical, statistical, and engineering calculations. The 2-line dot matrix display allows users to view expressions and results simultaneously for better understanding. Designed with solar and battery dual power, it ensures uninterrupted performance even in long exam sessions. Its non-programmable nature makes it perfect for public and board exams, including HSC and university-level engineering exams. The calculator features durable plastic keys for smooth operation and long-term use. Compact, lightweight, and efficient – this calculator is ideal for academic excellence and professional use.