Natural logarithm of 2 [HP-15C/HP-42S/Free42 & others]

[toml_12953]

(11-17-2019 03:01 PM)Albert Chan Wrote:  This faster version renamed variable r as g.

To speedup exp(-g): exp(-g) = exp(-g/n) ^ n, where n = 2^24

This reduce exp() loop count from 212 down to 55.

Wow! That's some reduction. Good job!