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Qalculate! 0.9.5
OS Support:
Probably All
Publisher
Old version
Update:
February 6 2010
Download:
Qalculate! 0.9.5
Description
Qalculate! is a multipurpose desktop calculator for GNU/Linux. It is small and simple to use but with much power and versatility underneath. Features include customizable functions, units, arbitrary precision, plotting, and a userfriendly interface (KDE or GTK ). Features:  Calculation and parsing:  Basic operations and operators:  * / ^ E () &&  ! >= >  Faulttolerant parsing of strings: log 5 / 2 .5 (3) (2( 3 5 = ln(5) / (2.5 * 3) 2 * (3 5)  Expressions may contain any combination of numbers, functions, units, variables, vectors and matrices  Supports complex and infinite numbers  Supports all number bases from 2 to 36, time format and roman Numerals  Ability to disable functions, variables, units or unknown variables for less confusion: ex. when you do not want (a b)^2 to mean (are barn)^2 but ("a" "b")^2  Controllable implicit multiplication  Matrices and vectors, and related operations (determinants etc.)  Verbose error messages  Arbitrary precision  RPN mode  Result display:  Supports all number bases from 2 to 36, plus sexagesimal numbers, time format and roman numerals  Many customization options: precision, max/min decimals, multiplication sign, etc.  Exact or approximate  Fractions: 4 / 6 * 2 = 1.333... = 4/3 = 1 1/3  Symbolic calculation:  Ex. (x y)^2 = x^2 2xy y^2; 4 "apples" 3 "oranges"  Factorization and simplification  Differentiation and integration  Can solve most equations and inequalities  Customizable assumptions give different results (ex. ln(2x) = ln(2) ln(x) if x is assumed positive)  Functions:  All the usual functions: sine, log, etc... : ln 5 = 1.609; sqrt(tan(20)  5) = sqrt(2.76283905578)  Lots of statistical, financial, geometrical, and more functions (approx. 200)  If..then..else function, optional arguments and more features for flexible function creation  Can easily be created, edit and saved to a standard XML file  Units:  Supports all SI units and prefixes (including binary), as well as imperial and other unit systems  Automatic conversion: ft yd m = 2.2192 m  Implicit conversion: 5m/s to mi/h = 11.18 miles/hour  Smart conversion: can automatically convert 5 kg*m/s^2 to 5 newton  Currency conversion with retrieval of daily exchange rates  Different name forms: abbreviation, singular, plural (m, meter, meters)  Can easily be created, edit and saved to a standard XML file  Variables and constants:  Basic constants: pi, e  Lots of physical constants and elements  CSV file import and export  Can easily be created, edit and saved to a standard XML file  Flexible, can contain simple numbers, units or whole expressions  Data sets with objects and associated properties in databaselike structure  Plotting:  Uses Gnuplot  Can plot functions or data (matrices and vectors)  Ability to save plot to PNG image, postscript, etc.  Several customization options Requirements:
CLN 1.1  Class Library for Numbers
Libxml2 (>= 2.3.8)
Glib 2.x
Gnuplot 1.7 (optional, for plotting)
GNU Wget or gnomevfs (optional, for retrieval of exchange rates, not needed if you use the KDE GUI)
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Software Tags
Desktop Calculator  Scientific Calculator  Calculator Tool  Scientific  Calculator  MathSize :
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