Texas Instruments TI InterActive! Getting Started Manual page 32

Finding zeros
of a graphed
function
32 Getting Started with TI InterActive!
To find the zeros of the graphed function:
1. Double-click the graph you just created to activate the Graph
window.
2. Click Calculate
Zero window is displayed.
3. You will need to set a lower limit, upper limit, and an initial
guess before calculating zero.
There are two ways to set limits.
You can enter numeric values in the limit entry boxes.
You can click and drag the dotted limit lines on the graph
in the Graph window.
4. Type a value directly into the Guess box, or use the mouse to
click and drag your guess point on the graph.
5. After setting the initial guess and upper and lower limits,
click the Calculate button. The answer is displayed in the
Results box.
Zero on the Graph toolbar. The Calculate