title: VBA for clear value in specific range of cell and protected cell from being wash away formula
body: <p>I have data from like A1:Z50 but I want to delete only A5:X50 using VBA
  (I think it will be a lot faster than dragging the whole cell or using <code>clickA5+shift+clickX50+delete</code>).
  How can I do this ?</p>
  
  <p>And then, how to lock the cell to prevent it from getting fixed or cleared ?</p>