Hello,
Turn calculator. Use arrow to highlight the 2:Graph and Geometry application. Enter your function at the bottom of the screen. Use TAB to move focus on command line.
Press [ENTER] to graph.
While graph is drawn, press [menu] key. Select [5:Trace][1:Graph Trace] . An X appears on the graph screen. Use arrow to move cursor towards one of the zeros you see. At some point the calculator will pop up the label [zero] 
Press [ENTER]
Use arrows to move the cursor near a second zero. When [zeHow do you find the zeros of a function on a - ac2ae2e.jpgtext appears, press [ENTER]
The value of the secon zero is also displayed.
You can also the nSolve command
Use How do you find the zeros of a function on a - 0c734aa.jpg function available in main calculator application. Here some exemples of syntax
On the second command line, the small vertical segmenHow do you find the zeros of a function on a - 646b3b6.jpg right parenthesis is accessed by the key sequence [CTRL] [infinity, beta, degree] key, the one under [left arrow/clear].
Hope it helps.
Sorry for the missing verbs (use, in you can also use the nSolve; are in Here are some exemples of syntax), the typographical erors (second instead of secon)
Why do they deprive us of the oppurtunity to check grammar and spelling before post is committed? Pourquoi? Warum? Potchemu? Perchè? Por qué? Varfor? Far vos?
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