[sdiy] math question - somewhat OT

[Tim Stinchcombe]

> Bunch of light weigths.
> 
> I have 2 slide rules, HP11, HP16, HP32S and I still haven't 
> had to change the batteries in my slide rules.

Hah! Raise that to 4 slide rules (one circular), CBM SR-6140R (with one
level of brackets - golly-gosh!), HP11C, HP16C, HP28C and HP48G. (Once
you've been 'spoilt' by using an HP RPN machine, everything else pales into
insignificance...)

Tim
__________________________________________________________
Tim Stinchcombe 

Cheltenham, Glos, UK
email: tim102 at tstinchcombe.freeserve.co.uk