Elements of the xSolver main window
![Elements of the xSolver main window - Settings](./images/xsolver/settings_button.png)
Opens the Settings window.
![Elements of the xSolver main window - recalling equations from the Calulation History](./images/xsolver/arrows_button.png)
Recalls equations from the Calulation History.
![Elements of the xSolver main window - undo clearing](./images/xsolver/undo_button.png)
'Undo' for the Clear command.
![Elements of the xSolver main window - viewing the Calculation history](./images/xsolver/history_button.png)
Shows the Calculation history.
Virtual keyboard
![Clears the current calculation](./images/xsolver/clear_button.png)
Clears the calculation.
![Solve an equation](./images/xsolver/solve_button.png)
Tap this button to solve the equation.
![Backspace](./images/xsolver/backspace_button.png)
Deletes the last character.
![opening parenthesis](./images/xsolver/opening_parenthesis.png)
Starts a new level of parentheses.
![closing parenthesis](./images/xsolver/closing_parenthesis.png)
Closes the current level of parentheses.
![power](./images/xsolver/power_button.png)
Power sign.
![Equals sign](./images/xsolver/equal_button.png)
Equals sign.
![division](./images/xsolver/divide_button.png)
Division.
![multiplication](./images/xsolver/multiply_button.png)
Multiplication.
![subtraction](./images/xsolver/subtract_button.png)
Subtract button. Note: you use also use it to input a negative value.
![addition](./images/xsolver/add_button.png)
Addition.
![b0](./images/xsolver/b0.png)
-
![b9](./images/xsolver/b9.png)
Number entry buttons.
![Decimal point](./images/xsolver/decimal_point_button.png)
Decimal point.
![Variable x](./images/xsolver/x_button.png)
Variable X.
![fraction bar](./images/xsolver/fraction_bar_button.png)
Fraction bar. Note: can be used for fractions input only. Cannot be used for Division.
![Separator](./images/xsolver/separator_button.png)
Separator between the whole number and fraction.