Changing the x-axis crossing point on a log y-axis

Is it possible to change the point at which the x-axis crossing a log y-axis?
I'd like the origin to be 0.1, not 1, and I'm losing hours of my life trying to work out how to do it.
Hopefully it will be something easy that I have missed...
...I'd rather look foolish than buy Microsoft office.

I have another idea for you.
1) Multiply all of your numbers by 10 or whatever factor of 10 (i.e., 100 , 1000, etc.) is necessary so that none of them are smaller than 1.
2) Take the LOG of those new numbers.
3) Plot the result of (2) using a linear Y axis. Get your chart looking like you want it with the min, max, and number of Y axis gridlines you want. Each number on the Y axis needs to be an integer, no decimals.
4) Choose a custom format for the Y axis numbers. Delete the format that is there and add a new format for each of the numbers on the axis. For example, lets say you multiplied by 100 in the first step above. The gridline with the number "0" should really be "0.01" so make a format for "if value is 0" and type in 0.01 as the format. Repeat for the other numbers (1 becomes 0.1, 2 becomes 1, 3 becomes 10 ,etc).
Again, kind of a pain. I think I like this solution better, though. The chart looks better in the end and you can do multiple data series on the same chart.

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