1 four-line display-large screen, four-way navigation, input and modify various values at any time for easy inspection.

Eight modes-covering all computing modes in universities, suitable for solving problems in various professional courses of all grades.

3 natural writing-directly display all fractions, rational numbers, exponents, logarithms, calculus and matrices.

Four scientific constants-40 kinds of university scientific constants are built in, which is easy to call and convenient without memory.

Binary conversion-built-in 20 kinds of binary conversion, direct calculation, improve calculation efficiency and accuracy.

Second, the specific functions:

1 routine calculation

1) arithmetic calculation

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

3) Calculation of degrees, minutes and seconds

4) Variable calculation (with calc)

5) Equation solution (with SOLVE)

6) Calculation of various functions (trigonometric/anti-trigonometric hyperbolic/inverse hyperbolic function exponent/logarithmic power function/power root function integral/differential calculation and summation calculation).

7) Other calculations (factorial absolute value random number arrangement and combined rounding function)

2 complex number calculation

1) addition, subtraction, multiplication and division of complex numbers

2) Calculation of auxiliary angle and mode

3) Calculate the reciprocal, square and cube of complex numbers.

4) Calculate the complex number of * * * yoke

3 Statistical calculation

1)

2)A+BX linear regression

3) _+cx2 quadratic regression

4)ln X logarithmic regression

5)e∧×e exponential regression

6)A？ B∧X ab exponential regression

Quaternary conversion (radix calculation)

1) decimal system

2) hexadecimal

3) binary

4)OCT octal

5 equation calculation

1) an X+bnY=Cn a binary linear equation.

2) An ANX2+BNY+CNZ = DN is a ternary linear equation.

3) Quadratic equation of AX2+BX+C = 0

4) Cubic equation of AX3+Bx2+CX+D = 0

6 matrix calculation

1) Calculate matrix addition, scalar multiplication, multiplication, square and cube.

2) Calculate the determinant, shift term and inverse matrix of the matrix.

3) calculating the modulus of each element in the matrix

7 function table calculation

1) Calculate the copy, addition, scalar multiplication, multiplication, square and cube of the matrix.

2) Calculate the determinant, shift term and inverse matrix of the matrix.

3) calculating the modulus of each element in the matrix

8 vector calculation

1) calculates vector copy, vector addition, scalar multiplication and vector dot product.

2) Calculate the modulus of the vector

50F programmable calculator.

It depends on what you need.