Various minor changes from Version 3.0 have been made, including the following. The last digit of each of three values related to the Rydberg constant has been changed by 1, the convention of giving values of properties of the negatively charged muon and tau has been adopted, and the symbol for the molar mass constant has been changed. Further details are available.
Correlation coefficients available between all constants.
Search algorithm improved to exclude prepositions. Links to selected scientific data added. Since these were not the final values for that update, they should be completely ignored. Search interface introduced. Most mathematical expressions have been converted from graphic images to html notation for faster access.