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Calculators calculator Electronics 12digitscalculator officesupplies schoolsupplies Moneydetector casiocalculator scientific calculator Scientific Calculator 417 Functions Solar & button battery Power Calculadora Cientifica Student Exam Calculator FX-991es Plus Applicable people: junior high school, high school, university, scientific research personnel --------------- Detailed explanation of the function ------------------------------ 1 General calculation 1) Arithmetic calculation 2) Score calculation / percentage calculation / rational number calculation, etc. 3) Degrees and seconds calculation 4) Variable calculation (with CALC) 5) Equation solution (with SOLVE) 6) Calculation of various functions (triangular/anti-triangular function hyperbolic/inverse hyperbolic function exponential/logarithmic function power function/power root function integral/differential calculation summation calculation) 7) Other calculations (factorial absolute value random number arrangement and combination rounding function) 2 complex calculation 1) Calculation of addition, subtraction, multiplication and division of complex numbers 2) Calculation of auxiliary angle and mode 3) Calculation of the reciprocal, square and cubic of the complex number 4) Calculation of conjugate complex numbers 3 Statistical calculation 1) 1-VAR single variable 2) A+BX linear regression 3) _+CX2 quadratic regression 4) ln X logarithmic regression 5) e∧X e index regression 6) A•B∧X ab index regression 4-ary conversion (base calculation) 1) DEC decimal 2) HEX hexadecimal 3) BIN binary 4) OCT octal 5 equation calculation 1) an X+bnY=Cn one-time equation with two unknowns 2) anX2+bnY+cnZ=dn has one equation with three unknowns 3) aX2+bX+c=0 quadratic equation 4) aX3+bX2+cX+d=0 cubic equation 6 matrix calculation 1) Computation matrix addition, scalar multiplication, multiplication, square, cubic 2) Calculate the determinant, shift, and inverse matrix of the matrix 3) Calculate the modulus of each element of the matrix 7 function table calculation 1) Calculation matrix replication, addition, scalar multiplication, multiplication, square, cubic 2) Calculate the determinant, shift, and inverse matrix of the matrix 3) Calculate the modulus of each element of the matrix 8 vector calculation 1) Calculation of vector copy, vector addition, scalar multiplication, vector dot product 2) Calculate the modulus of the vector