This should help

http://peltiertech.com/Excel/Charts/format.html#Float

"Rocco" wrote in message
...
I need to create a graph in which the values don't start all from 0, but
the
n+1 value start from the height of the n value, so that the height reached
by
the last value will be the height of the sum of all the values. Is this
possible in Excel?

Many thanks in advance