DPlot

Hi, I am plotting a graph with 11 points including a point (0,0) and I would like to plot a graph with the best straight line of all the 11 points but at the same time passing through the origin (zero point), it is possible to do so? because if I click the button "curve fit" the line produced doesn't pass through origin. thank you!

You'll need to use the "More curve fit" plugin on the Generate menu, rather than the "Polynomial Curve Fit" command. Click the "Initial Values/Constraints" button. Enter 0 for A, and check the adjacent "Hold" box.