Formulas Please note that Exponents are show by the "^" symbol. Example; " 3 squared " will be shown by " 3^2 ", where 2 is the exponent. The symbol for pi can not be displayed, so pi will be displayed as (pi). Tools Activity created by: Mr. Manns This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.