On Tue, 19 Oct 2010 02:26:28 -0400, 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.

You can't multiply by those simple integers or fractions in your head?
And the C/CI/CF/D scales won't help you with conversions among cups,
tablespoons, and teaspoons.

>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.

I started using a sliderule studying electronics in the '50s -- and
still have a K&E log-log-duplex-decitrig. 8

Now if you used a *circular* slide rule ...

-- Larry (certified old fart)