Add gridlines
overview how to see also

Editor > Add > Gridlines

Use to add gridlines to the active graph. Not all items are available with all graphs.

Dialog box item

Show gridlines for: Check to add gridlines at the specified locations.

Z major ticks

Z minor ticks

Y major ticks

Y minor ticks

X major ticks

X minor ticks

Note	If the active graph has both primary and secondary scales, this dialog allows you to add gridlines by scale as well as axis.