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Integral - calculating mathematical integrals

 
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rcolistete
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PostPosted: Friday, 12.Aug.2011 13:53    Post subject: Integral - calculating mathematical integrals   Reply with quote   

"Integral" is an easy to use free and open-source (GPL) application to calculate mathematical integrals with many features :

* undefinite, definite and numerical integration;
* integrals in one, two and three variables (1D, 2D, 3D);
* 5 simplification methods for non-numerical results;
* 3 numerical integration methods and arbitrary number of digits (default is 15);
* option to show the calculation time;
* option to show the not calculated integral before the result;
* result with zoom levels and different colors;
* 7 output types : simple, bidimensional, typesetting (to be implemented), LaTeX, MathML, C and Fortran;
* copy&paste available in all entry fields and also in the result, allowing copying the result to anywhere;
* history and line completion editing in the integrand, differentials and limits.

See the Integral web site and Integral in My-Maemo Software Catalog.

"Integral" runs on Maemo 4 (Nokia N800/N810), Maemo 5 (Nokia N900) or any smartphone/tablet/computer where Python, SymPy and PyQt are available. Future versions will use PySide and QML.

SymPy is a computer algebra system (CAS) written in pure Python, it is free and open source project, see SymPy.org. SymPy last version (0.7.1, July 2011) is available for Maemo 4 (Diablo) and Maemo 5 (Fremantle). Look at SymPy topic in My-Maemo forum.





Integral v1.1.2 for Maemo 5 (Fremantle) is available in extras repository.

Python, PyQt and SymPy will also be installed if not installed before.

"Integral" is small (50 KB) but it installs "SymPy" (about 18.5 MB after install, with .pyc compiled Python files). "Integral" and "SymPy" are optified on Maemo 5.

Please help promote Integral (v1.1.2 promoted in 01/11/2011) and SymPy to extras repository by voting in :
Integral 1.1.2-fremantle2

See also "Derivative" and "Limit", which calculate mathematical derivatives and limits :
Derivative topic in My-Maemo forum
Derivative in My-Maemo Software Catalog
Limit topic in My-Maemo forum.


Last edited by rcolistete on Wednesday, 02.Nov.2011 04:28; edited 10 times in total
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PostPosted: Monday, 22.Aug.2011 11:06    Post subject:   Reply with quote   

Thanks for application man
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rcolistete
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PostPosted: Sunday, 18.Sep.2011 03:25    Post subject:   Reply with quote   

New versions of Integral were recently released. Here the change log of them :

(2011-08-11)
Integral v1.0.0 for Maemo 5 (Fremantle) :
* 1st public release on extras-devel repository;
* uses SymPy 0.6.6 (12/2009);
* time to load is approx. 7 seconds on Nokia N900 @ 600 MHz.

(12/09/2011)
Integral 1.1.0 :
* uses new version 0.7.1 (07/2011) of SymPy;
* bidimensional output type has correct line breaks without opening the X Terminal;
* result with zoom in and out in 8 levels;
* different colors for calculation time, non-calculated integral and result;
* 5 simplification methods instead of 3;
* Fortran output type;
* help window;
* more robust input;
* time to load is approx. 7 seconds on Nokia N900 @ 600 MHz.

(14/09/2011)
Integral 1.1.1 :
* to show greek and other symbols in bidimensional output the X Terminal is opened when starting Integral and can not be closed.

(15/09/2011)
Integral 1.1.2 is now available in the extras-devel repository :
* no need anymore of X terminal being opened to show greek and other symbols in bidimensional output.


Last edited by rcolistete on Wednesday, 02.Nov.2011 04:29; edited 1 time in total
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rcolistete
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PostPosted: Wednesday, 19.Oct.2011 14:39    Post subject:   Reply with quote   

Thanks Michal for putting Integral and Derivative in My-Maemo catalog.
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Michal Jerz
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PostPosted: Wednesday, 19.Oct.2011 16:31    Post subject:   Reply with quote   

Quote:

Thanks Michal for putting Integral and Derivative in My-Maemo catalog.

Apologies for the delay! It's because I was working on the Harmattan Software catalog. But in the next days I will update the Maemo catalog as well.
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rcolistete
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PostPosted: Tuesday, 01.Nov.2011 17:15    Post subject:   Reply with quote   

Integral is now promoted to extras repository, thanks for the votes.
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rcolistete
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PostPosted: Wednesday, 02.Nov.2011 04:30    Post subject:   Reply with quote   

Corrected the time to open Integral on Maemo 5 (Nokia N900), about 7 s instead of 23 s. It is faster due to byte compiling of Python files of last SymPy package version.
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