Education Technology

# Knowledge Base

## Solution 21411: Graphing the Density of a Curve on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.

### How do I graph the density of a curve using the TI-89 family, TI-92 Plus and Voyage 200 calculator?

In order to graph the density of a curve, the Statistics with List Editor calculator software application (App) must be installed on the TI-89 family, TI-92 Plus and Voyage 200 calculator. If the Statistics with List Editor App is not present on the calculator, a free copy can be downloaded from the TI-89 family latest software website or the TI-92 Plus/Voyage 200 latest software website.

To transfer the Statistics with List Editor App to the TI-89 family, TI-92 Plus or Voyage 200 calculator please see App & OS Download Instructions.

Once the Statistics with List Editor App has been installed, the density of a curve can be graphed by following the example listed below.

Values for list1 = {10,11,12,13}

Values for list2 = {1,2,3,1}

• Turn on the TI-89 family, TI-92 Plus or Voyage 200 calculator.
• Press [APPS] and select the Statistics with List Editor App.
• When the "Folder Selection for Statistics Application" window appears, press [ENTER] to select the default folder (main).
• Press [1] [0] [ENTER] [1] [1] [ENTER] [1] [2] [ENTER] [1][3] [ENTER].
• Press [►] [1] [ENTER] [2] [ENTER] [3] [ENTER] [1] [ENTER].

• Press [F5] [ENTER] [ENTER] to select 1:Shade Normal.

• Press [(-)].
• On the TI-89 family press [◊] [∞]. On the TI-92 Plus and Voyage 200 press [2ND] [∞].
• Press [▼] .
• On the TI-89 family press [◊] [∞]. On the TI-92 Plus and Voyage 200 press [2ND] [∞].
• Press [▼].
• Press [1] [2] [▼].
• Press [1] [.] [2] [2] [▼].
• Press [►] and use either [▲] or [▼] to select "YES".

• Press [ENTER] [ENTER].

For more information and examples using the TI-89 family, TI-92 Plus, and Voyage 200 calculator please see the guidebooks.