#set document(title: "11.5 Making a Table", author: "OpenStax / XYZ Homework")
#set page(width: 8.5in, height: auto, margin: 1in)
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== 11.5#h(0.6em)Making a Table


    The table feature gives us a convenient tool for evaluating expressions. There are two steps to making a table:


    + Entering the equation
+ Setting the Table features


    
      
=== Using the Auto Option


      If we want a table with evenly spaced #math.equation(block: false, alt: "x")[$x$]-values, we use the Automatic setting.


      + Press Y=, clear any previous entries, and enter the expression or expressions you want to evaluate.
+ Press 2nd WINDOW (#strong[TBLSET]) to access the Table Setup menu. Enter the first #math.equation(block: false, alt: "x")[$x$]-value after #strong[TblStart]#math.equation(block: false, alt: "equals")[$=$], and the #math.equation(block: false, alt: "x")[$x$]-increment after #math.equation(block: false, alt: "Δ T b l equals")[$upright(Δ) T b l =$]. Highlight #strong[Auto] for both the Independent and Dependent variables.
+ Finally, press 2nd GRAPH (#strong[TABLE]) to see the table. You can use the arrows to scroll up and down the table. Figure shows the Table Setup and the resulting table for #math.equation(block: false, alt: "y equals 5 minus x cubed")[$y = 5 − x^(3)$].#figure(figph[GC table setup and table], alt: "GC table setup and table", caption: none)


    
    
      
=== Using the Ask Option


      If we want to choose specific #math.equation(block: false, alt: "x")[$x$]-values for the table, we proceed as above but choose #strong[Ask] instead of #strong[Auto] for the Independent variable. Press 2nd GRAPH to see the table, then enter the #math.equation(block: false, alt: "x")[$x$]-values, pressing ENTER after each one.


      
        
==== Troubleshooting


        + If the table shows #strong[ERROR] for a #math.equation(block: false, alt: "y")[$y$]-value, the expression you entered is undefined at the corresponding #math.equation(block: false, alt: "x")[$x$]-value.
+ If the table shows only #math.equation(block: false, alt: "x")[$x$]-values, no equation is activated. Press Y= to enter or activate an equation.