Pic FPU

[andywpg]

That's exactly what the uM-FPU does ... and a lot more.
It's made from a dsPIC.

They are about $20 each.
But if you consider the time it will take you to recreate one (several months) then they're extremely cheap.

I was going to suggest the exact same thing.....

I've only used it once for a Quaternion to Euler Angle convertor, but it worked great.

So I says: "Pardon? Was that in English??" Honestly, I don't have the FAINTEST idea what that means!