![]() ![]() ![]() Expressions may contain any combination of numbers, functions, units, variables, vectors and matrices, and dates.Fault-tolerant parsing of strings: log 5 / 2.Basic operations and operators: + - * / mod ^ E () & || ! >= > xor.Various tools for fast conversion between number bases, floating point conversion, calendar conversion, and percentage calculation, and a period table.Create/edit functions, variables and units.User friendly dialogs for functions, with description and entries for arguments.Dialogs for management of and easy access to functions, variables and units (with quick conversion).Customizable meta modes for quickly switching between different settings.Practical menus give fast access to all advanced features.Optional traditional calculator keypad, with quick access to most features, and a programming mode. ![]() Calculation history which allows the user to access the text and value of and apply operations to previous expressions and result.Flexible expression entry with customizable completion, hints, and continious display of parsed expression.Graphical user interfaces implemented using GTK 3.The resulting executable is named qalculate-gtk. PKG_CONFIG_PATH=/usr/local/lib/pkgconfig. If libqalculate has been installed in the default /usr/local path you it might be necessary to specify the pkgconfig path when running configure: autogen.sh (not required if using a release source tarball, only if using the git version) In a terminal window in the top source code directory run Instructions and download links for installers, binaries packages, and the source code of released versions of Qalculate! are available at. Features include a large library of customizable functions, unit calculations and conversion, symbolic calculations (including integrals and equations), arbitrary precision, uncertainty propagation, interval arithmetic, plotting, and a user-friendly interface (GTK, Qt, and CLI). It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation). Qalculate! is a multi-purpose cross-platform desktop calculator. ![]()
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