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| <h2>Your title here: PG Code Snippet</h2>
| | [[Category:Needs_Deletion]] |
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| <!-- Header for these sections -- no modification needed -->
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| <p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
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| <em>This code snippet shows the essential PG code to check student answers that are equations. Note that these are <b>insertions</b>, not a complete PG file. This code will have to be incorporated into the problem file on which you are working.</em>
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| </p>
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| <p style="text-align:center;">
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| [[IndexOfProblemTechniques|Problem Techniques Index]]
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| </p>
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| <table cellspacing="0" cellpadding="2" border="0">
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| <tr valign="top">
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| <th> PG problem file </th>
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| <th> Explanation </th>
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| </tr>
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| <!-- Load specialized macro files section -->
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| <tr valign="top">
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| <td style="background-color:#ddffdd;border:black 1px dashed;">
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| <pre>
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| loadMacros("any macros files that are needed");
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| </pre>
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| </td>
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| <td style="background-color:#ccffcc;padding:7px;">
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| <p>
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| To do ..(what you are doing)........., we don't have to change the
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| tagging and documentation section of the problem file.
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| In the initialization section, we need to include the macros file <code>-------.pl</code>.
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| </p>
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| </td>
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| </tr>
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| <!-- Setup section -->
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| <tr valign="top">
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| <td style="background-color:#ffffdd;border:black 1px dashed;">
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| <pre>
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| Context(".....");
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| Define context and variables for the questions
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| $expr = Formula("....");
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| </pre>
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| </td>
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| <td style="background-color:#ffffcc;padding:7px;">
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| <p>
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| In the problem set-up section of the file, we specify that the Context should be <code>......</code>, and define the answer to be a formula.
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| </p>
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| <p>
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| Notes: on using this and related Contexts.
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| </p>
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| </td>
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| </tr>
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| <!-- Question text section -->
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| <tr valign="top">
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| <td style="background-color:#ffdddd;border:black 1px dashed;">
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| <pre>
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| BEGIN_TEXT
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| ...... question text ......
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| END_TEXT
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| </pre>
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| <td style="background-color:#ffcccc;padding:7px;">
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| <p>
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| The problem text section of the file is as we'd expect.
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| </p>
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| </td>
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| </tr>
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| <!-- Answer section -->
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| <tr valign="top">
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| <td style="background-color:#eeddff;border:black 1px dashed;">
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| <pre>
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| ANS( $expr->cmp() );
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| </pre>
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| <td style="background-color:#eeccff;padding:7px;">
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| <p>
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| As is the answer.
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| </p>
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| </td>
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| </tr>
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| </table>
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| <p style="text-align:center;">
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| [[IndexOfProblemTechniques|Problem Techniques Index]]
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| </p>
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| [[Category:Problem Techniques]] | |