How to add New Column with excel formula?

Help
1

Hi,

Have anyone idea how to add new column (“C”) with formula? I am beginner in this stuff, but all I can do is add some value below my table, but I need to add SUM formula for the each row in column “C”.

Thanks in advance!
Prze

2

Hi @japrzemek,

Refer below post.

Regards,
Arivu