Texas Instruments TINSPIRE Teacher Software Guidebook - Page 403

1. Press or ¤ to move the cursor to a starting point in the expression. 2. Press and hold g and press or ¤ to select. - To delete the selection, press .. - To cut the selection to the Clipboard, press / X. - To copy the selection to the Clipboard, press / C. - To paste the selection to a new entry line in Scratchpad, press / V. Graphing with the Scratchpad From the Scratchpad Graph page, click the Entry Line Expand button to display the entry line and type an expression to graph. The entry line displays the required format for typing a function. The default graph type is Function, so the form f1(x)= displays. 1. Choose Graph Type from the menu, and select a graph type. For example, • To graph a scatter plot, press b 3 4. Click var to choose variable to plot as x and y for sn. • To graph a function, press b 3 1. The entry line changes to display the expression format for the specified graph type. You can specify multiple functions of each graph type. 2. Type an expression and any other parameters required for the graph type. 3. Press · to graph the function, or press ¤ to add another function. If necessary, you can use press b 4 to choose a tool on the Window/Zoom menu and adjust the viewing area. When you graph the expression, the entry line disappears to show an uncluttered view of the graph. If you select or trace a function, that function displays on the entry line. You can change a function by editing its expression or grabbing and changing the graph. Using the Scratchpad 391