Scientific Calculators Math Calculator with 417 10+2 Digits Display Dual Power Supply Ideal for Teachers College

Battery Included : no High-concerned chemical : none Max. Digits : 10 Style : Scientific Feature: 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. 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. 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. Specification: Battery: 1xLR44 Button Cell 1.5V 160mAH (built-in battery included) Size: Approx. 16.3x8x1.5cm / 6.42x3.15x0.59in How to Use: Package List: Label:Yes