On Oct 19, 1:26*am, NOYDB <ljlameres at acd.net> wrote:
> I find that I frequently want to adjust a recipe up or down in
> quantity. I use an old slide rule to set up the original proportion (
> set the 1 over the adjusted quantity; 2, 3, .5, whatever ) then read
> the new quantity directly under the original quantity. Sometimes
> there's a problem in measuring the new quantity exactly though.
>
> Anyway I was wondering if anybody else does this or if I'm just an old
> geek. I started using a sliderule studying electronics in the '70's.

Scary thought! We got to the moon and back, built atomic weapons, and
any number of other fantastic technological achievements with nothing
more than slide rule accuracy!

John Kuthe..