Virtual keyboard

Buttons

Opens the information window.

Opens the calculation history.

Fraction bar. Note: can be used for fractions input only. Cannot be used for Division.

Separator between the whole number and fraction.

- Number entry buttons.

Inserts a decimal point.

Power sign.

Deletes the last character.

Starts a new level of parentheses.

Closes the current level of parentheses.

Clears the calculation.

Division.

Multiplication.

Subtract or minus button. Note: you use the "-" key to input the minus sign before a negative value

Addition.

Equals sign.