Calculating e^x-1 on classic HPs

[Paul Dale]

(01-14-2016 09:55 PM)Dieter Wrote:  Well, the 34s internally works with 39 significant digits, and even XROM code uses 34 digit precision. So the result of the internal e^x–1 function can be expected to have 30+ digit accuracy. Which should be sufficient for an evaluation in 16-digit SP mode. ;-)

e^x–1 is calculated using 39 digits.

I should switch to your method. It will possibly be slightly faster and it is more accurate.


Pauli