In a separate column calculate the increments. Then, use the technique
illustrated at
Step chart
http://www.tushar-mehta.com/excel/ch...art/index.html

--
Regards,

Tushar Mehta
www.tushar-mehta.com
Excel, PowerPoint, and VBA add-ins, tutorials
Custom MS Office productivity solutions

In article <robhargreaves.1smlia_1122127502.7703@excelforum-
nospam.com,
says...

Hi is it possible to chart based on a column of values and chart the
difference of the increment?

example of data

a1- 1000
a2- 1500
a3- 2000
a4- 2500
a5- 3000

and in this example there would be a flat line at 500 units as there
has been a 500 increase in each value.

Thanks for your time.

Rob


--
robhargreaves
------------------------------------------------------------------------
robhargreaves's Profile: http://www.excelforum.com/member.php...o&userid=25519
View this thread: http://www.excelforum.com/showthread...hreadid=389585