PCE 1.0 - Periodic Chart of the Elements - The PCE will automatically be added to your formulas inside the Extras drawer. You can easily locate the formulas from their symbol which contains a little percentage sign. Tap onto that very icon to open the formulas and locate the entry RPeriodic Chart of the ElementsS which should occur at the very buttom of the overview. Tap onto that overview line and the formula slip will open. The PCE formula slip enables you to easily find an element from the chart and

quickly access its data.