Depending on what you want to do, put the values in worksheet cells,
and plot them. Or, add another series at the appropriate value with
hard-coded values as in =SERIES(,{10,10},{0,100},<number one larger
than existing number of series in chart>), which will draw a vertical
line at x=10 extending from y=0 to y=100.
Or, and again depending on what you want to do, use the Interactive
Chart add-in, downloadable from my web site.
--
Regards,
Tushar Mehta, MS MVP -- Excel
www.tushar-mehta.com
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