If you want to run multiple calculations but don't need them to be in the same calculator, you can have two or more calculators running simultaneously inside the single application. To do this, pull the "Calculator" menu down and select "New Calculator." A clean calculator will appear next to your pre- existing calculator. If it overlaps with your pre-existing calculator, you can move it (as described in Subsection 3.2. by clicking the top bar and holding the mouse button down as you pull the calculator over.