[G4] 2+2=4.0000001?

[CJ Scaminaci]

On Feb 27, 2004, at 10:15 AM, Paul Moortgat went on and on about:

> Pcalc has no roundoff error.  Take 29 degrees, ask sin, cos, tan, 
> tan-1, cos-1 and sin-1 and you get 29 degrees back.  Do this will all 
> the calculators you know, even the HP hardware calculators.  You get 
> something else as result.
>
> Paul Moortgat
>

There is always roundoff error with an FPU. Almost all calculators and 
programs correct this with a variety of different methods. Just because 
you don't see it, don't assume it isn't there ;)

CJ