A Tiny (WP34S) program does a lot

[Dieter]

(11-29-2014 10:27 AM)Thomas Klemm Wrote:  You could as well use the complex factorial to calculate the derivative:

Ah, great — I did not expect the factorial function being implemented even in the complex domain.

In double precision mode, i.e. 1 ULP = 10^—34, a value like 10^—17 or 10^—20 in R₀₀ yields 33 correct digits (...7216 resp. ...7215 instead of ...7213).

Dieter