How to append currency symbol as prefix to total sum in views calc?
You can achieve that in two ways CSS or jQuery

1)CSS (Note: It requires CSS2 capable browsers. )

td.your-views-class-name:before { content: "$"; }


2)jQuery

$('.your-views-class.name').each(function() {
  $(this).before($('&lt;td&gt;').text("$"));
});