create free web forms, free email forms, free forms.
create web forms using formlogix free onlile form builder.
Edit Chart
Register to FormLogix
 
Once a chart is saved it can always be altered.

Editing Chart Terms

Steps to edit the chart:

1) 

Choose the 'Edit Chart' option from the 'Report & Chart' section in the toolbar.
2)  The chart window will open containing your previous saved selections. Change the data entered in the chart window (Field formula, Formula etc).
3)   Save your changes.