The Fx 991ms Calculator

is designed for students and professionals who need reliable and advanced calculating functions. It comes with 401 functions, including complex number calculations, equation solving, matrix operations, and statistical calculations. The 2-line dot matrix display makes it easy to view inputs and results simultaneously. Its dual power system (solar & battery) ensures long-lasting performance. This model is non-programmable, making it exam-approved and suitable for SSC, HSC, and university-level engineering exams. Built with durable plastic keys and an ergonomic design, this original Thailand-made calculator is a perfect choice for academic and professional use.