[WP-34S] DEG and RAD - diffs

[Paul Dale]

(06-06-2014 06:10 AM)Thomas Klemm Wrote:  What's the problem with the Taylor series for a small x:

Nothing. I was just noting that the obvious formula:

$$sinh(x) = \frac{e^{x} - e^{-x}}{2}$$

has problems for small x. In the 34S I use:

$$sinh(x) = \frac{e^{x}-1}{2 e^{x}} + \frac{e^{x} - 1}{2}$$

when |x| < 0.5.


- Pauli