title: Powershell How to add a number into a variable
body: <p>how can I add a number to another number contained into a variable?</p>
  
  <pre><code>$t0 = Get-date -UFormat "%H%M"
  $t1 = $t0 + 10
  </code></pre>
  
  <p>so, if $t0 is 1030, I would $t1 values 1040.</p>