How do i add amounts in a column

I want to add dollar amount in a column eg. d10 to d20

More details.

What do you mean by add dollar amount in a column eg. d10 to d20. Do you mean that any values inserted into the column should show as $amount (e.g. "$1,500.00)? If yes - format cell with the proper currency format (e.g. [$$-409]#,##0.00;-[$$-409]#,##0.00)

Duplicate of How do I add totals in a column

This isn’t a duplicate. Question How do I add totals in a column is about SUM and this is a different thing (possibly about formatting)