DPlot

Thanks for your reply!!

"Special inteval&Special number" command just do the equal inteval of the grid lines. i mean different inteval of the grid lines.

just as the example in Dplot help .

"Getting Started with XY Plots - Data From a Disk File"
"Example 1:

1.00 1.00 1.00 1.00
2.00 4.00 8.00 16 ...

I'm a newer .

i don't know how to change the width between grid lines , esp for the

inequal space width between grid lines. i can't find the command.

bow all~~