[list=1][*]Add a slider for [b]a[/b] and a slider for [b]d[/b][br][/*][*]In column [b]A[/b] enter the values [b]1,2,3,…,10[/b][br][/*][*]In Cell [b]B1[/b] enter [b]=a[/b][br][/*][*]In Cell [b]B2[/b] enter [b]=B1+d[/b] and fill down[br][/*][*]Select columns [b]A[/b] and [b]B[/b], click the List of Points Tool (3rd button) and press Create[br][/*][/list]