Scott, i4m trying to do an altimeter based on pressure altitude.

So, the eq is:

H = 44330,769[1 - (P/P1)^0,190255]
Where H is the altitude, P is the air pressure at altitude H at
a given and variable sea level pressure P1.

Thanks for your help !

[]4s
Jeferson Martin

Scott Dattalo <scott@DATTALO.COM> escreveu:

> On Thu, 9 Jan 2003 jmartin@COMP.UFSCAR.BR wrote:
>
> > Hello Larry, it4s my case. I need to calculate the follow eq:
> > (p/p1)^0.190255, p and p1 are variables. Can you explain how i can
> > do it ? I need to use PIC16 due to PIC17 be very large. I have
> > already downloaded the stadard FP routines (+,-,...) from Microchip
> > site, but i don4t know how i can use it to calculate the pow function.
>
> What's the dynamic range of p and p1? (i.e. are they 8-bit signed, 32-bit
> unsigned?)
>
> Scott
>
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