Notices

SymPy 0.7.3 is now available for Maemo 4 & 5. It has improved integration with Risch integration algorithm, etc, so it is recommended to use SymPy 0.7.3 on Integral. The loading time of Integral is increased :
Maemo 4 : 22s (SymPy 0.7.3), 16s (SymPy 0.7.1);
Maemo 5 : 9.5s (SymPy 0.7.3), 7.0s (SymPy 0.7.1);
but it is worth upgrading.
To upgrade to SymPy 0.7.3, install the new version of "SymPy interactive shell" (0.7.3) using the application manager with "extras" repository enabled on Maemo 4 and "extras-devel" or "extras-testing" repository enabled on Maemo 5.

I will later release a new version of Integral depending on SymPy 0.7.3 and with new features.

Integral for Sailfish is now released, available at OpenRepos.net. Using the new Python 3.4 (16/03/2014) and SymPy 0.7.5 (22/02/2014).

This first public Sailfish release, v0.6 (19/05/2014) :
- calculates mathematical integrals only indefinite, but in one, two or three variables (1D, 2D, 3D);
- shows bidimensional output with mathematical and greek symbols;
- doesn't have all the features of Integral for Maemo 4 & 5.
Newer releases of Integral will have more features : definite and numerical integrals, more options, etc.


Sailfish on Nexus 4 running Integral, it always starts loading loading Python 3 and SymPy :


Calculating a indefinite integral of one variable :


Help on Integral : :


See the 1st post about installing Integral on Sailfish.

what about harmattan version, please?

Limit, then Integral, then Derivative, will be released for MeeGo Harmattan in next weeks (until July).

Integral v0.8 for Sailfish is now released, available at OpenRepos.net.

Integral v0.7 (22/06/2014) for Sailfish, not made public :
- disabled automatic upper case in virtual keyboard;
- warning that all results are copied to clipboard;
- "Help" shows that beta and gamma can't be used as variables;
- "Settings" menu implemented with many options :
* show not calculated integral;
* show calculation time;
* numerical integration methods with arbitrary number of digits (default is 15, but can be thousands of digits);
* 5 simplification methods (none, expand terms, simplify terms, expand all, simplify all);
* 7 output types (simple, bidimensional, LaTeX, C, Fortran, Javascript, Python/SymPy);
- portrait and landscape modes in all screens.

Integral v0.8 (23/06/2014) for Sailfish :
- integrals in one, two and three variables (1D, 2D, 3D);
- indefinite, definite and numerical integration methods;
- 3 numerical integration methods and arbitrary number of digits (default is 15).

Integral for Sailfish has almost all the features of Integral for Maemo 4 & 5.


Sailfish on Nexus 4 running Integral, it always starts loading loading Python 3 and SymPy :

Calculating a indefinite integral of one variable :

Another indefinite integral of one variable, but using greek characters and landscape mode. Timings : 38.9s on Nokia N810, 26.6s on Nokia N900, 5.54s on Nexus 4 :

A definite integral of two variables. Timings : 14.9s on Nokia N810, 13.2s on Nokia N900, 3.28s on Nexus 4 :

A numerical integral of three variables, using the default numerical integration method (optimized for infinities). Timings : 1212s on Nokia N810, 591s on Nokia N900, 121s on Nexus 4 :

Settings has many options :

Help on Integral is also updated :


See the 1st post about installing Integral on Sailfish.