That formula for pi is in the manual that came with my HP-35 calculator in
1972.

Harold


> Take 113355 (Remembered easily - 11 33 55 )
>
> Then  355/113 ~=3D Pi
>
> (355/113) / Pi <=3D 1.0000001
>
> Comes in useful over a lifetime.
>
> Alternatively - just remember 3.14159265358979
> More than more than good enough for 'engineering' :-)
>
> _______________________
>
>
> Watts ~=3D Torque in kg.m x RPM
>
>
>
>           Russell
> --
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>


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