Calculator Multiple 20 Regular Icon

<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 20 20" fill="currentColor">
  <path fill="currentColor" d="M6 4a1 1 0 0 0-1 1v2a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V5a1 1 0 0 0-1-1zm0 1h6v2H6zm2 5a1 1 0 1 1 2 0a1 1 0 0 1-2 0m1 1.75a1 1 0 1 0 0 2a1 1 0 0 0 0-2M11 10a1 1 0 1 1 2 0a1 1 0 0 1-2 0m1 1.75a1 1 0 1 0 0 2a1 1 0 0 0 0-2M5 10a1 1 0 1 1 2 0a1 1 0 0 1-2 0m1 1.75a1 1 0 1 0 0 2a1 1 0 0 0 0-2M5.5 2A2.5 2.5 0 0 0 3 4.5v9A2.5 2.5 0 0 0 5.5 16h7a2.5 2.5 0 0 0 2.5-2.5v-9A2.5 2.5 0 0 0 12.5 2zM4 4.5A1.5 1.5 0 0 1 5.5 3h7A1.5 1.5 0 0 1 14 4.5v9a1.5 1.5 0 0 1-1.5 1.5h-7A1.5 1.5 0 0 1 4 13.5zM7.5 18a2.5 2.5 0 0 1-2-1h7a3.5 3.5 0 0 0 3.5-3.5v-9c.607.456 1 1.182 1 2v7a4.5 4.5 0 0 1-4.5 4.5z"/>
</svg>