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Sharada-Braille-Writer (S.B.W) is a texteditor for GNU/Linux which support braille input. In S.B.W, Simultaneous multiple press of braille combinations, will produce corresponding letters. So one can input text in more than 40 languages with braille knowledge in perkins like way. letters f, d, s, j, k, l represent 1 2 3 4 5 6 of the braille dots respectively. By pressing "f" and "s" together will produce letter k and like.
Canorus is a free cross-platform music score editor. It supports an unlimited number and length of staffs, polyphony, a MIDI playback of notes, chord markings, lyrics, import/export filters to formats like MIDI, MusicXML, ABC Music, MusiXTeX and LilyPond
A tool for teaching simplex and branch & bound methods
This is a tool for teaching simplex and branch & bound methods. For simplex method, it comes with several examples including degeneracy and cycling, and allow the user to dictate how to pivot. For branch and bound method, it is desinged to interact with the user to explore all possible branch and bound trees. The user can also load a problem from a text file or simply type in a model directly. The format is very simple and very similar to the LP format, see the packed-in examples.
*nts* provides a simple format for using text files to store notes, a command line interface for viewing notes in a variety of convenient ways and a cross-platform, wx(python)-based GUI for creating and modifying notes as well as viewing them.