    Ember
            v3.7.0.</div>
        </div>

        <a id="ember223352" class="ember-view es-button-secondary old-version-button" href="/release/object-model/computed-properties-and-aggregate-data"> Go to v5.0.0 </a>
      </div>

    <div class="article-title">
      <h1>
        Computed Properties and Aggregate Data
      </h1>

        <a href="https://github.com/ember-learn/guides-source/edit/master/guides/v3.7.0/object-model/computed-properties-and-aggregate-data.md" target="_blank" class="edi