69 52.73.5 13.9 17.45 20.44 27.29 10.6l37.1-37.1c59.28-59.26 59.28-155.7 0-214.96z"/>
      </svg></a> </h3>
<section aria-labelledby="toc_computed-property-macros">
<p>Some types of computed properties are very common.
Ember provides a number of computed property macros, which are shorter ways of expressing certain types of computed property.</p>
<p>In this example, the two computed properties are equivalent:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript">Per