Scientific Calculator Counter 401 Functions Matrix Dot Vector Equation Calculate Solar and Battery Dual Powered 2 Line Display Business Office Middle High School Student SAT/AP Test Calculate

This scientific calculator can offer 401 functions, including calculation basic and complex number, equation(EQN), Matrix(MAT), Vector(VTC) and etc. 2 lines 10 + 2 display show the formula and result clearly. Ideal helper for middle/high school students and Maths researcher. Features: 2 lines display, 10 + 2 digits, show formula and result clearly. Dual power source, solar and built-in battery, energy saving and convenient. With 401 functions, covering General Calculation (fraction/percent/time/multi-statements/engineering notation), Function Calculation, Complex Number Calculation(CMPLX), CALC, SOLVE, Statistic Calculation (SD, REG), Base Calculation(BASE), Equation Calculation(EQN), Matrix Calculation(MAT), Vector Calculations(VTC), Scientific Constants, Metric Conversion. With multi-replay(up/down/right/left), DEL and M+ keys, represent/correct formula or store result easily. Handheld design, with a removable protector, easy to use and store. Ideal helper for middle/high school students and Maths researcher. Comes with detailed user manual to introduce the calculator function and . Please read it carefully. Specifications: Model: OS-991MS Power Source: Solar or 1 * LR44(GPA76) Battery (Included.) Estimated Battery Lifetime: 3 years(If work 1h per day.) Auto Shut-down: In 10min Item Size: 15.5 * 8 * 1.4cm / 6.1 * 3.1 * 0.6" Item Weight: 127.5g / 4.5oz Package Size: 16 * 8.5 * 3.9cm / 6.3 * 3.3 * 1.5" Package Weight: 205g / 7.2oz Package List: 1 * Calculator with battery 4 * User Manual(English/Spanish/French/Chinese)

2 lines display, 10 + 2 digits, show formula and result clearly. Dual power source, solar and built-in battery, energy saving and convenient. With 401 functions, covering General Calculation (fraction/percent/time/multi-statements/engineering notation), Function Calculation, Complex Number Calculation(CMPLX), CALC, SOLVE, Statistic Calculation (SD, REG), Base Calculation(BASE), Equation Calculation(EQN), Matrix Calculation(MAT), Vector Calculations(VTC), Scientific Constants,