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<guide platform="win mac" title="Using Increment and Decrement to Create Multiple Versions of a Document" section="advanced">
  <p>
      Many of the EducAide database modules for mathematics are configured with two similar problems in a row. If you
      are using one of these modules, then you can use the feature called <span class="option">Increment/Decrement
      problem numbers</span> to easily create a second version of your document with similar problems.
    </p>
  <p>
      Review the <a href="increment2.xml" shape="rect">list</a> of database modules that are compatible with this feature.
    </p>
  <div class="tip">
      It is a good idea to save your document before using this feature!
    </div>
  <ol>
      <li>
        <p>
          Choose <span class="menu">Edit &gt; Vary Problems</span>.
        </p>
        <p>
          <img class="screenshot-noshadow mac" src="images/varyproblems.png"></img>
        </p>
      </li>
      <li>Select the option <span class="option">Increment/decrement problem numbers</span>. <img class="screenshot mac" src="images/increment1.png"></img>
      </li>
      <li>Click the Up or Down arrows to change the number in the box labeled <span class="option">By</span>. The
      number can be positive or negative. <img class="screenshot mac" src="images/increment2.png"></img>
        <div class="tip">
          <p>
            How do I decide by how much to change the increment/decrement?
          </p>
          <p>
            The CodePath shows the branches of the tree you followed to select a problem. The last number in the
            CodePath is the number of the problem. Changing the increment/decrement number will change the last number
            in the CodePath by that amount, thereby selecting a different problem. Different database modules allow for
            varying degrees of shifting in the CodePath while still resulting in a similar problem.
          </p>
          <p>
            Review the <a href="increment2.xml" shape="rect">list</a> of database modules that are compatible with this feature.
          </p>
        </div>
      </li>
      <li>Select the option <span class="option mac">All partss</span><span class="option win">Entire document</span> to apply this feature to the entire document.
      Alternately, you can apply this feature to only the problems in the selected part.
        <p>
          <img class="screenshot mac" src="images/increment3.png"></img>
        </p>
        <p>
          Look at the example below. On the left, you see the Document Tree for the original test. This shows the
          CodePaths for each problem. On the right, you see the Document Tree for the second test. The last number in
          the CodePath, which represents a specific problem in the database, has been changed. This selects the next
          problem in the database module, which is a similar problem.
        </p>
        <div class="horizontal">
          <div>
            <div>
              <img class="screenshot-noshadow" src="images/incrementbefore.png"></img>
            </div>
            <div class="caption">
              Before changing Increment
            </div>
          </div>
          <div>
            <div>
              <img class="screenshot-noshadow" src="images/incrementafter.png"></img>
            </div>
            <div class="caption">
              After changing Increment
            </div>
          </div>
        </div>
      </li>
      <li>
        <p>
          Choose <span class="menu">File &gt; Save As</span> to save your document with a different name. Choosing
          <span class="menu">File &gt; Save</span> will replace your original version of the document with the new one.
        </p>
      </li>
    </ol>
  <div class="tip">
      <p>
        When creating multiple versions of your document, it is recommended that you edit the Header of the new
        document to add "version 2," or something similar so that you will be able to match your answer keys to the
        correct version of the document. The title of the document can be edited by choosing <span class="menu">Format
        &gt; Headers and Footers</span>.
      </p><img class="screenshot-noshadow mac" src="images/formatheaders.png"></img>
      <p>
        Then, click the <span class="button">Document Properties</span> button.
      </p><img class="screenshot-noshadow mac" src="images/headersandfooters.png"></img>
      <p>
        Finally, edit the title.
      </p><img class="screenshot mac" src="images/documentproperties.png"></img>
    </div>
  <hr>
  </hr>
</guide>
