Andy wrote:
>
> Arri London > wrote:
>
> >
> >
> > Andy wrote:
> >>
> >> Arri London > wrote:
> >>
> >> >
> >> >
> >> > NOYDB 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.
> >> >
> >> > No I don't use my slide rule 
It was my primary school maths
> prize
> >> and
> >> > that was probably the last time it got used.
> >>
> >> What I found astonishing/interesting about the abacus was you could
> do
> >> math without having to write anything down in the process!!! You
> could
> >> just see it as patterns at a glance!!!
> >>
> >> Thanks to the Greeks for the invention!!!
> >
> > Wasn't just the Greeks; other people as well.
> >>
> >> Andy
> >
> > There is a tiny abacus in my possession. One of these years I may
> learn
> > to use it It is perfect for lightning calculations.
>
> Arri,
>
> It is???
>
> It sucks for earthquake math!!! ;D
>
> Best,
>
> Andy
Everyone is a comedian this weekend :P