Virtual keyboard
Buttons
![information](./images/fractionspro/bi.png)
Opens the information window.
![history](./images/fractionspro/bh.png)
Opens the calculation history.
![fraction bar](./images/fractionspro/fraction_bar.png)
Fraction bar. Note: can be used for fractions input only. Cannot be used for Division.
![Separator](./images/fractionspro/separator.png)
Separator between the whole number and fraction.
![b0](./images/fractionspro/b0.png)
-
![b9](./images/fractionspro/b9.png)
Number entry buttons.
![Decimal point](./images/fractionspro/decimal_point.png)
Inserts a decimal point.
![power](./images/fractionspro/button_power.png)
Power sign.
![Backspace](./images/fractionspro/button_backspace.png)
Deletes the last character.
![opening parenthesis](./images/fractionspro/opening_parenthesis.png)
Starts a new level of parentheses.
![closing parenthesis](./images/fractionspro/closing_parenthesis.png)
Closes the current level of parentheses.
![Clears the current calculation](./images/fractionspro/button_clear.png)
Clears the calculation.
![division](./images/fractionspro/button_divide.png)
Division.
![multiplication](./images/fractionspro/button_multiply.png)
Multiplication.
![subtraction](./images/fractionspro/button_subtract.png)
Subtract or minus button. Note: you use the "-" key to input the minus sign before a negative value
![addition](./images/fractionspro/button_add.png)
Addition.
![Equals sign](./images/fractionspro/button_equal.png)
Equals sign.