Matrix Product - testing
Generates examples and check the result for the matrix product $AB=C$ including fractions.

Matrix Product - calculation
Calculation of the matrix product $AB=C$ for given $A, B$ including fractions.

Inverse matrix - testing
Generates examples and check the result for the inverse matrix  $A^(-1)=C$ including fractions.

Inverse matrix - calculation
Calculation of the inverse matrix  $A^(-1)=C$ for a given matrix $A$ including fractions.

Derivative of a function of one variable - testing
Generates examples and check the result for the derivative of a function of one variable $f'(x)$.

Graphs of functions of one variable
Draw graphs of several functions  $y=f_1(x),  y=f_2(x), ...$ in one picture.

Parametrical curves
Draws a curve described by $x=x(t), y=y(t)$.

Implicit curves
Draws a curve described by  $f(x,y)=0$.

Couple of implicit curves
Draws two curves described by  $f(x,y)=0, g(x,y)=0$.

The partial fraction decomposition
The partial fraction decomposition and antiderivative for the fraction of polynomials  $f=(P_n)/(Q_m)$.

Taylor's   polynomial
Calculates and draws the Taylor's polynomial for a entered function.