Thanks, but I want to create 5 points with the 't' values 0, 0.1, 0.2, 0.3, and 0.4; Not a curve, and the values of variable 't' will be only these numbers. I mean in Point creation window, in the Y field, I put a formula like yt(0.4) or something else, I don't know; However, I found a function...