Casio Scientific Calulator FX991ZA Plus

Engineered for precision, this non-programmable calculator is South African curriculum-approved, perfect for secondary school and university students. With 452 functions, including Natural Textbook Display, it mirrors textbook equations for easy understanding. Tackle complex calculations like inequalities, ratios, prime factorization, and statistics (Q1, Med, Q3) with ease. Features dual power (solar & battery), a 2-line display, and modes for complex numbers, matrices, and more.