How to use the Ti30Xiis calculator to find:

Mean and Standard Deviation of a Set of Numbers

How to enter the **Present Value** formula in the calculator:

How to enter the **Monthly Payment** formula in the calculator:

How to enter the **Payoff Amount** formula in the calculator:

How to insert a Trendline on a Scatterplot in Excel. This method works on all versions of Excel, but is particularly helpful to those students using the MacBook versions of Excel.

How to Format Column Width in Excel so that your data will fit on one page.