Please refer to the following example.

How to find zeros on a graphing calculator ti-84 plus. ( click here for an explanation) category: Press 2nd calc (above trace), and select option. You graph the inequalities defined in the y= and x= editors the same way.

Some functions end up having really interesting graphs. The syntax of the solve function is: You can access this mode by pressing the [trace] button on your calculator, and it allows you to trace the graph, and see the points that make it up.

Find the zero of the function: One such function is shown in the y= editor in the first screen. How to use a graphing calculator to find the zero.

First, set the equation to be solved equal to zero. To change the highlighted status of an inequality sign, place the cursor on that sign and press [enter]. Find the zeros of a function/equation with your calculator.