✔ Casio fx-991CW scientific calculator in black – perfect for math, engineering, and statistics
✔ Features 552 functions, including advanced statistical and matrix calculations
✔ Solar-powered design for long-lasting, battery-free use
✔ Natural textbook display for easy viewing of formulas and results
✔ Compact, lightweight, and durable for students and professionals
✔ Trusted brand: Ahona Corporation delivers top-quality products to Bangladesh