[Bug 166997] New: wish : krunner could use libqalculate or google search for evaluating maths

[Jonathan-David Schröder]

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http://bugs.kde.org/show_bug.cgi?id=166997         
           Summary: wish : krunner could use libqalculate or google search
                    for evaluating maths
           Product: krunner
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: panel-devel kde org
        ReportedBy: myselfhimself free fr


Version:            (using KDE 4.0.83)
Installed from:    Ubuntu Packages
OS:                Linux

Hi,
Krunner's current math expression evaluator isn't very powerful.
for example, log() exists but ln(), pow or ^ and sqrt() don't...

libqalculate developped by the qalculate project allows very nice scientific calculations and could be used for math evaluation. For example =3 hour + 2 seconds is understood by libqalculate..

another possibility is using google's search right away from krunner and show the first result. (this goes further than the math / conversion scopes).

the use of libqalculate and/or google as a backend for evaluating things (which would start with an = sign) could be enabled/disabled in some krunner setup menu.