Chapter 3. Uso básico
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# Chapter 3. Uso básico

## Usar el área de trabajo

Normalmente, interactúa con la calculadora en la pestaña Consola del área de trabajo. Si ejecuta la versión de solo texto, entonces la consola será el único medio disponible. Si quiere usar la Herramienta matemática Genius como una calculadora solamente, simplemente escriba aquí su expresión y se evaluará, mostrando su resultado en pantalla.

To evaluate an expression, type it into the Console work area and press enter. Expressions are written in a language called GEL. The most simple GEL expressions just looks like mathematics. For example

    genius> 30*70 + 67^3.0 + ln(7) * (88.8/100)

or

    genius> 62734 + 812634 + 77^4 mod 5

or

    genius> | sin(37) - e^7 |

or

    genius> sum n=1 to 70 do 1/n

(Last is the harmonic sum from 1 to 70)

To get a list of functions and commands, type:

    genius> help

If you wish to get more help on a specific function, type:

    genius> help FunctionName

To view this manual, type:

    genius> manual

Suppose you have previously saved some GEL commands as a program to a file and you now want to execute them. To load this program from the file `path/to/program.gel`, type

    genius> load path/to/program.gel

Genius Mathematics Tool keeps track of the current directory. To list files in the current directory type ls, to change directory do `cd directory` as in the UNIX command shell.

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