Zero intercept for scatter chart trendlines

HI
This is what i am trying to do, i got a load of values from an experiemnt to go on a scatter chart where I know that the origin is X=0,Y=0 but one the trendline is put in, its slightly off the origin. Does anyone know how to make the trendline pass through 0 so it gives an accurate gradient.
Thank you
Stuart

As far as I know, the algorithm building the trendline is accurate.
Maybe you entered the values wrongly or you are wrong when 'knowing that the origin is (0,0).
Are you sure that the displayed values are the stored one?
I repeat that these different display for the stored value 24,9253731343284 are perfectly correct.
24,9253731343284
24,925373134328
24,92537313433
24,9253731343
24,9253731343
24,925373134
24,92537313
24,9253731
24,925373
24,92537
24,9254
24,925
24,93
24,9
25
So, I guess that you determined your (0, 0) upon displayed values when your spreadsheet is building the chart on stored ones.
Yvan KOENIG (from FRANCE mardi 10 février 2009 15:51:13)

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