Dave wrote:

> I agree about the Pad Thai. I have never found that to be spicy. We have a
> nice Thai restaurant near here and they will adjust the spice to your
> taste using a scale of 1 to 5. The last time we were there with out son
> we toned it down because , while my son and I both like hot spicy food, my
> wife refers it somewhat milder. So we ordered one dish at 2 and the other
> at 3. The 2 was mild for my taste, but the 3 was really hot. They must
> use a logarithmic scale. I hate to imagine what 4 or 5 would be like.

That would be an exponential scale. A logarithmic scale would flatten out as
the numbers got higher.

Bob, mathesemantician