sicetaitsimple wrote:5,8 (I did not find two hundredths of a point!) ...
I think in the minds of such guys, two digits after the comma sounds more "serious", more "scientific" ... The "varnish".
He may have added it. Or average between a few results ...
In time, we learned the calculation of uncertainty. If you have 5 digits which are within 0,2, you can take the average and fall on, for example, 5,82, this number is also within 0,2 and we "round" to a minimum of 5,8 ( and in proper scientific language, we write "5,8 +/- 0,2"