CHSLO fx-991ES PLUS Scientific Calculator with Graphic Functions for Business Study Accessories Supplies Calculator

CHSLO fx-991ES PLUS Scientific Calculator with Graphic Functions for Business Study Accessories Supplies Calculator1. Routine Calculation: 1) Arithmetic calculation 2) Fraction calculation percentage calculation rational calculation, etc. 3) Degree minutes and seconds calculation 4) Variable calculation (using CALC) 5) Equation solution (using SOLVE) 6) Calculation of various functions (trigonometric inverse trigonometric function hyperbolic inverse hyperbolic function exponential logarithmic function power function power root function integral differential

1. Routine Calculation:

• 1) Arithmetic calculation

• 2) Fraction calculation/percentage calculation/rational calculation, etc.

• 3) Degree minutes and seconds calculation

• 4) Variable calculation (using CALC)

• 5) Equation solution (using SOLVE)

• 6) Calculation of various functions (trigonometric/inverse trigonometric function hyperbolic/inverse hyperbolic function exponential/logarithmic function power function/power root function integral/differential calculation sum calculation)

• 7) Other calculations (factorial absolute value random number permutation and combination rounding function)

2. Complex Calculation:

• 1) Addition, subtraction, multiplication and division of complex numbers

• 2) Calculation of auxiliary angle and mode

• 3) Calculation of reciprocal, square and cubic of complex numbers

• 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. Decimal Conversion (base calculation):

• 1) DEC decimal

• 2) HEX hex

• 3) BIN binary

• 4) OCT octal

5. Equation Calculation:

• 1) an X+bnY=Cn linear equation with two unknowns

• 2) anX2+bnY+cnZ=dn linear equation with three unknowns

• 3) aX2+bX+c=0 quadratic equation

• 4) aX3＋bX2+cX+d=0 cubic equation

6. Matrix Calculation:

• 1) Addition of calculation matrix, scalar multiplication, multiplication, square, cubic

• 2) Determinant, shift, and inverse matrix of the calculation matrix

• 3) Calculate the modulus of each element of the matrix

• 7. Function Table Calculation:

• 1) Calculation of matrix replication, addition, scalar multiplication, multiplication, square, cubic

• 2) Determinant, shift, and inverse matrix of the calculation matrix

• 3) Calculate the modulus of each element of the matrix

8. Vector Calculation:

• 1) Calculate vector replication, vector addition, scalar multiplication, and vector dot product

• 2) Calculate the modulus of the vector

Package included

• 1 x Calculator
• 1 x English User Manual

Specifications