Casio rounding

[Eddie W. Shore]

(11-14-2018 03:39 PM)toml_12953 Wrote:  

(11-14-2018 01:59 PM)Eddie W. Shore Wrote:  Interesting. The rounding scheme seems to be has been arbitrarily chosen instead of going with the traditional rule of looking at the last digit and rounding up when it is 5 or more.

For statistics, the rule is round to the nearest even digit:

Round to one decimal place:
5.55 ==> 5.6
5.45 ==> 5.4

I don't think I was familiar with this method (Banker's method if I recall correctly) until Richard Nelson's talk about rounding methods at HHC 2018.