Sum of roll of N dice

[Dieter]

(05-04-2018 06:35 PM)michaelzinn Wrote:  The "shape" of the lookup table is very regular, so maybe there is an easy way to calculate the distribution directly from the random number.

A direct calculation can be done by applying the inverse Normal distribution to the random number, which is then rescaled with variance and mean. I have described this approach in my first post in this thread and tested it on a WP34s. Here it seems to work fine.

This only requires a reasonably fast Normal quantile function. Or at least an approximation thereof.

Dieter