Unsolved Problems In Math

A collection of open source libraries and tools that provide solutions for common problems in processing Arabic text, especially in web applications. text normalization, phrase segmentation, text indexing, stop word lists, common spelling mistakes.

xtopdf: Tools to convert other formats (x) to PDF; x as in math. - solve for x :-)Currently x == {.txt, .DBF}. Others to follow.Benefits: all those of PDF (better cross-platform viewing/printing, read-only, etc.)

A GUI program written in Perl and utilizing Tk that is meant to solve equations commonly found in math and science. Current equation set is based upon High School Geometry, Algebra II, Trigonometry, and Chemistry with more to come.


Platforms: Windows, Mac, Linux

Sahana is an integrated set of pluggable, web based disaster management applications that provide solutions to large-scale humanitarian problems in the aftermath of a disaster.


Platforms: Windows, Mac, *nix, PHP, BSD Solaris

solves problems in engineering statics & dynamicsThis is a toolbox of educational software for engineering students and professionals who are analyzing and designing static systems and dynamic systems. The software is used in ENGINEERING STATICS & DYNAMICS, PRENTICE HALL, INC., L. SILVERBERG (TO...


Platforms: Matlab

A collection of geodetic functions that solve a variety of problems in geodesy. Supports a wide range of common and user-defined reference ellipsoids. Most functions are vectorized. Functions include:Angle Conversions deg2rad - Degrees to radians dms2deg - Degrees,minutes,seconds to degrees...


Platforms: Matlab

LYAPACK is a MATLAB toolbox for the solution of certain large scale problems in control theory, which are closely related to Lyapunov equations. In contrast to the 'lyap' and 'dlyap' command in the MATLAB Control toolbox it uses iterative algorithms and is intended for large, sparse problems.


Platforms: Matlab

The Mathieu functions are used to solve analytically some problems in elliptical cylinder coordinates. The computational toolbox includes routines for the characteristic values, the expansion coefficients, and the four categories of angular and radial Mathieu functions together with their...


Platforms: Matlab

The icoshift tool for Matlab is an open source and highly efficient program specifically designed for solving signal alignment problems in metabonomic NMR data analysis, but it can also properly deal with other spectra-like datasets (e.g. data from other spectroscopic methods or chromatographic...


Platforms: Matlab

This is a helper module to address some problems in Drupals language behaviour.What it is aboutThe idea for this module comes from issue #163165. I just don't like how Drupal behaves and so I made a module to address that issue. But there were some more ideas / issues it might solve and I did...


Platforms: PHP

It's important for a non technical administrator to be able to diagnose server related problems in WordPress but also rapidly retrieve feedback regarding their web server. This simple plugin adds an option to an administrator's Tools menu which displays standard phpinfo() feedback details to the...


Platforms: PHP

When doing a derivation in math or just organizing my thoughts, I usually just use pen and paper since it seems to be the fastest way to persist my thoughts. Typing on a computer is great for great amounts of text, but making diagrams is not that easy I think. Since most of the paper that I...


Platforms: Mac

xtopdf: Tools to convert other formats (x) to PDF; x as in math. - solve for x :-)Currently x == {.txt, .DBF}. Others to follow.Benefits: all those of PDF (better cross-platform viewing/printing, read-only, etc.)


Platforms: *nix

iMindQ is desktop software solution that enables users to clarify and stimulate visual thinking, by creating intuitive mind maps. It supports creativity, productivity, and memorization, and has the ability to solve problems in a visual way. iMindQ has a flexible space for creating and...


Platforms: Windows, Windows 8, Windows 7, Windows Server

New Year holiday is celebrated by millions of people all over the world. People try to leave their problems in the old year. And hope for better life in the new year. So let's dream about new year success and happiness! New Year Dream Screensaver will help you to relax and create holiday mood. It...


Platforms: Windows, Windows 8, Windows 7, Windows Server

Class One Software, shareware programs for education, announces the release of Math Stars Plus 2010r1 for Windows and Macintosh. The basic module of Math Stars Plus challenges students to complete all fact groups up to a selectable number. As each function (+ - x /) is successfully completed, the...


Platforms: Windows, Mac

We found that the generator matrix in Fig.6-2 to be wrong, Bi,j's are not circulant. You can not derive circulant Bi,j's from the parity check matrix in Fig.6-1.There are two vital problems in the LDPC codes of CCSDS 131.0-P-1.1: (1) the parity check matrix in Fig.6-1 is not full rank; (2) the...


Platforms: Matlab

Basic Math is for younger users who are just learning basic facts. It covers addition, subtraction, multiplication, and division. It is a nice flashcard program because it covers 100 different problems in each session. The preferences screen allows you to adjust the range of numbers that the game...


Platforms: Windows

Math::Symbolic is a Perl module for symbolic calculations. SYNOPSIS use Math::Symbolic; my $tree = Math::Symbolic->parse_from_string(1/2 * m * v^2); # Now do symbolic calculations with $tree. # ... like deriving it... my ($sub) = Math::Symbolic::Compiler->compile_to_sub($tree); my...


Platforms: *nix

Math::TotalBuilder::Common is a Perl module with common unit sets for building totals. SYNOPSIS use Math::TotalBuilder; use Math::TotalBuilder::Common; # units for 952 pence my %tender = build($Math::TotalBuilder::Common::uk_money_old, 952); This package is just a set of common sets of...


Platforms: *nix