Re: Resistors in Parallel..... tabulated?

["Tom Biasi"]

"kontiki" <mrphyt2@xxxxxxx> wrote in message 
news:1167675894.310573.269430@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> kontiki wrote:
>
> > Hi, does anyone know where a reference table of parallel resistors
> > could be found?The table is very useful for quick accurate resultant
> > resistances (to two places of decimal), the tables I've got are from
> > Practical Electronics Jan. 1990? and have faded to the point of being
> > unusable.Most non-standard resistance values are easily ascertained
> >                           e.g.for 17 ohms->75//22
> > quickly and easily!
> >                                    with thanks,
>
>
> thank you for your replies....the "math" is fine,....
>                        lets say I want to shunt a 120k res. to get a
> 15.6k how long does it take to find the required value? a table is much
> faster ,and if you are limited by values "at hand" again an alternative
> pair is easily/quickly chosen.This is useful for establishing the
> practical effects of temperature compensating resistors and
> thermistors.
> I tend not to fire up the pc each time I need to do the math...
Sounds like you may have missed the point. If you plan on doing this sort of 
thing often you really should learn the calculation. It only takes a few 
seconds to make the calculation, you don't need to 'fire up' the pc.
Reminds me of the checkout girl in the local market; if the machine doesn't 
tell her how much change to give me she is totally stuck.

Tom