II. Setting a Window - Finding One That Works

A. Overview

4. TABLE

The TABLE feature of the TI-86 is one of the most powerful and useful in graph analysis and in finding a proper window for difficult functions. For the examples below enter the function .

Before you use the TABLE, you will need to access TBLST and select the way you want your table to display values. You have two choices.

i) You can have the table select the X value in pre-assigned increments beginning at a specified starting point. Enter and and move the cursor to Auto. Press enter to select Auto.

Starts at X=0 and moves
in increments of 1.
Starts at X=2 and moves
in increments of 0.1.
Press .
Press .
ii) Most of the time it is better to have the TABLE set on Ask so that you can enter the values you want.

This is useful in finding particular values of a function and in finding a window for the graph. Access the TBLST and set the independent (Indpnt) variable to Ask.

Access TBLST.
Press .
Enter some values.

 

1. WINDOW
2. ZOOM
3. TRACE
4. TABLE
B. Examples