Use break line in a text area(html) from a calculated value

[hadrien lopasso]

HI, i have a column with a long string and inside it some "n".

When i use this column inside a text area as a calculated value, the "n" become blank but they are not breaking the line, I have also try with but they are not read by the html. May be i need a script but i don t know what to do.

Some one have an idea :)