title: Excel Count /Unique Dynamic Array
body: <p>I need to count unique values between two columns I have tried count(Unique())formula.</p>
  <p>Results entered all values instead of separate value with column</p>
  <p>Input :</p>
  <pre><code>Date       Name 
  1/1/2022    A
  1/1/2022    A
  1/1/2022    B 
  1/2/2022    B 
  </code></pre>
  <p>Output :</p>
  <pre><code>Column D  Column E 
  A          1 
  B          2 
  </code></pre>