Ability to disable functions, variables, units or unknown variables for less confusion: e.g.

Supports all common number bases, as well as negative and non-integer radices, sexagesimal numbers, time format, and roman numerals.

Interval arithmetic (for determination of the number of significant digits or direct calculation with intervals of numbers).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.The resulting executable is named qalculate-qt. 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.

For iphone instal Qalculate! 4.7 free