## Online resolution of Equations, Inequalities and Systems

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Math

● Expressions can only be entered via the app's keyboard

● The field in which the expression will be inserted is the one highlighted in yellow

● The field in which to insert the expression is simply selected by clicking on it. The field will thus become highlighted in yellow

● It is not possible to compose arbitrary words because inserting the letters of the alphabet will insert a space after it for which each letter will be recognized as a variable to itself

● Entering the various predefined functions will insert its name and when you delete this element the entire name will be deleted

● The field in which the expression will be inserted is the one highlighted in yellow

● The field in which to insert the expression is simply selected by clicking on it. The field will thus become highlighted in yellow

● It is not possible to compose arbitrary words because inserting the letters of the alphabet will insert a space after it for which each letter will be recognized as a variable to itself

● Entering the various predefined functions will insert its name and when you delete this element the entire name will be deleted

## Online Resolution of Expressions

## Instructions and Examples for the input of expressions

- The software solves equations, inequalities and systems of both equations and inequalities.
- For the following types of exercises all the steps are shown:
- 1
^{st}and 2^{nd}degree equations and fractional rational equations - 1
^{st}and 2^{nd}degree inequalities and fractional rational inequalities - Logarithmic equations and inequalities (some specific type)
- Equations systems of 1
^{st}and 2^{nd}degree - inequalities systems of 1
^{st}and 2^{nd}degree - Sum of algebraic fractions
- GCD and lcm of integer numbers

- 1
- For the following type of exercises the solution is given but the steps of resolution are not shown:
- Factorization in prime factors of polynomials
- Simplification of expressions
- GCD and lcm of polynomials
- M.C.D. e m.c.m. di polinomi

- As for the other functions on this website, the result is given in a downloadable pdf file.

- To input expressions (numbers, letters and functions) you can use only the keyboard of the App (the input through your PC keyboard is disabled)
- The product of two factors is indicated with the symbol * or leaving an empty space between the symbols (inserting any letter an empty space is authomatically left after the letter)
- In both systems of equations and inequalities it is necessary to separate the various equations and inequalities with comma (,) like in the examples shown below.
- • To separate the numbers or the polynomials for the calculation of GCD and lcm between integer numbers or polynomials it is necessary to separate the single numbers with commas.

*For each image, you can write the text in red in the window that appears and by clicking on the Equations / Inequalities / Systems button you can see the development of the expression.*

*Alternatively, you can click directly on the image. In this case the development will not be carried out at the moment but you will see a pdf stored in the archive*