SPECIFICATIONS

1. Scientific Calculator with 417 Functions: The Fc991ESPLUS scientific calculator features 417 built-in functions including trigonometric, exponential, logarithmic, calculus, statistical and algebraic functions, plus supports complex number, matrix and vector calculations for advanced engineering and scientific applications.

2. Clear Natural Display: This function calculator offers a 10+2 digit high-resolution screen with natural textbook display, allowing direct input and output of mathematical formulas for more intuitive operation during complex calculations.

3. Dual Power Operation: The engineering calculator operates on both solar power and included LR44 button battery (1.5V 160MAH), ensuring reliable performance in various lighting conditions without frequent battery replacements.

4. Ergonomic Design: Featuring large, clearly labeled keys and a protective slide case, this calculation tool provides durability and ease of use for frequent computations in academic or professional settings.

5. Versatile Application Tool: Suitable for students, teachers, engineers and accountants, this compact scientific device handles diverse mathematical, scientific and engineering calculations while being portable enough for daily use.

Battery: 1xLR44 Button Cell 1.5V 160mAH (built-in battery included)

Size: Approx. 16.3x8x1.5cm / 6.42×3.15×0.59in

Please follow the instructions provided in the manual.

1 x Calculator With Built-in Battery

2 x Instruction Manual