Optional extra column of customizable keypad buttons (GUI).Replace equals button with a clickable icon in the upper right corner of the expression entry (GUI).Fix segfault when closing 32-bit Windows binaries.Make all currency codes (except CUP and KGS) case insensitive.Use arrow instead of 'to' by default (GUI).Support for reading expressions and commands from file in GUI (as in qalc, using command line option -f/-file).Support for qalc commands in GUI (expression is interpreted as command if it begins with '/').Option to use a system tray icon (hides the application when the main window is closed) on Windows (GUI).Configurable calculate-as-you-type add to history delay (GUI).Redesigned expression, status, and result widgets (GUI).Improve prefixes when expression contains both units that do and units that do not use prefixes.Always place units with prefixes before other units.Fix saving of local data objects (user data was deleted).This version primarily fixes an issue which may cause the deletion of all user data for data sets. Fix never ending loop when calculating *.Save handle vector function argument property.Extended and improved simplified Chinese translation.Add convert to mixed units to result context menu (GUI).Allow prefixes, with full name, without units (e.g.Temperature calculation modes (absolute, relative, hybrid).Minor bug fixes and feature improvements.Fix keyboard focus when run hidden automatically at startup.Fix conversion with relative temperature units activated.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.

Qalculate! 4.7 instal the new for apple