To open the calculator, click on the calculator icon in the top bar.
The calculator pop-up can be moved to any position on the screen by clicking and dragging it.
In addition to the basic four operations, the calculator has parentheses, square root and exponent functions. Order of operations is automatically performed when a sequence such as 9 + 1 x 3 is entered. To add first, the sum of 9 + 1 must be enclosed in parentheses or the = button used before multiplying by 3.
When the icon appears in light gray, the calculator is disabled and will not open when clicked upon.
The calculator is usually disabled when the focus of an activity is to improve computational skills.