

erfinv() function and support for solving equations with error functions.


Add command() function, which runs an external command and returns the output.Improve sexagesimal input and output (including new sexa2, sexa3, latitude, latitude2, longitude, longitude2 bases), and add geodistance() for calculation of distance between two GPS coordinates.Improve functions for statistical distribution.New functions for statistical distributions: probit(), betadist(), cauchydist(), chisqdist(), expinv(), fdist(), gammadist(), tdist(), wblinv(), weibulldist().Output (kilo)gram instead of tonne with small prefix (e.g.Improve conversion of expression with multiple units to a single unit (e.g.Improve handling of expressions with log-based units.
