Gcalctool is a graphical calculator emulator tool written for the Gnome desktop. Gcalctools starts in a basic mode but can be easily switched to more 'advanced' modes of operation.
With this application you can do the following:


Basic Usage
Basic Usage
The gcalctool application provides the following modes for different types of mathematical functionality  Basic, Advanced, Financial, Scientific, and Programming modes.
(For a larger image, click on the following (click here) ^{}You can access the application in the following ways:
 Computer ▸ More Applications ▸ Accessories section ▸ Calculator.
 From the command line, type: 'gnomecalculator' or 'gcalctool'
Modes Of Operation Overview
Modes Of Operation Overview
The gcalctool different types of mathematical functionality:
Basic  The default mode. Provides standard calculator functions. You can perform standard addition, subtraction, division, and multiplication functions in Basic mode and you can use all of the Basic functions in each of the other modes. 

Advanced  Provides advanced calculator functions. You can store numbers in 10 different memory registers, and easily retrieve and replace the numbers in the memory registers. You can use all of the Advanced functions in Financial, Scientific and Programming modes. 
Financial  Provides several complex financial functions. 
Scientific  Provides many additional mathematical functions, including trigonometric functions. You can also store your own functions and constants, when you use Scientific mode. 
Programming  Provides functions useful to a programmer, including bitwise functions and a bit editor. 
Advanced Mode
Advnaced Mode
To change to Advanced mode, choose View ▸ Advanced.
Performing Advanced Calculations
Function  Button  Description  Usage Example  Result 

Percentage  %  Divides the current value by 100.  560 % =  5.60 
Reciprocal  1/x  Divides 1 by the current value in the display area.  4 1/x  0.25 
Square Root  Sqrt  Calculates the square root of the current value in the display area.  Sqrt 9 )=  3 
Square  x2  Calculates the square of the current value in the display area.  3 x2  9 
Integer Portion  Int  Calculates the integer portion of the current value in the display area.  22.44 Int  22 
Fractional Portion  Frac  Calculates the fractional portion of the current value in the display area.  22.44 Frac  0.44 
Absolute Value  Abs  Calculates the absolute value of the current value in the display area.  22.44 Abs  22.44 
Parentheses ( and ) Calculations  (), +, , /, etc.  Parentheses ( and ) Calculations within parentheses are performed first. You can nest parentheses to any level.  2 + 5 * 4 = 2 + ( 3 * 4 )  22 14 
Further Information
Further Reading and Information
For more information regarding calculator , please refer to the following external website:http://library.gnome.org/users/gcalctool/stable/index.html.en^{}
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