Sell Deli D991ES Scientific Calculator White and Black 417 Functions (1PC) best price

Specification:171.9×83×17.5mm Material: Plastic Digits: Display as on Textbook Power: Dual power Extra Functions:Scientific constant,Solve function, Formula and Formula set,Sum (∑)t,Differential, Integration, Equation, Matrix, Vector calculation,Complex number calculations (CMPLX),Metric conversions,Calculates in BIN,OCT,DEG,HEX,Converts BIN,OCT,DEG,HEX,Variables,statistics calculations,regression calculation,fractional arithmetic function,standard deviation calculation,coordinate transformation,data edit,check and correct function,continuous calculation,ANS function,memory function,four arithmetic operations,generate random number,auto power off,sliding protective cover,logarithmic functions, using base 10 or base e,factorial, permutation and combination calculation,degree, radian, and grad conversion,trigonometric functions/inverse trigonometric functions,2-line display Color: Black, White Other Spec.:Slide cover auto power off