Matrex is a lightweight vectorial spreadsheet. It calculates blocks of values, not single cells. It is strongly multi-threaded. Users can work together on sheets using a server. It has adapters to MATLAB, Scilab, Octave, and R.
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Interface rationalization (one step less in the wizard) and simpler user interaction were implemented in the expression parser. Dialogs to add existing templates and matrices to the initial expression were added to the expression parser. In the Matrix editor, side effects when editing cells and clicking with the mouse were removed, the last edited cell value is held when saving, and number and date parsing were improved. The following function templates were added: sumby, sort, tail, and queue. Any dependency on the Matrex GUI was removed from the Matrex API, finally allowing Matrex to be used as a library.
The matrix editor now has a vertical header with support for custom headers and the ability to assign matrices to the vertical and horizontal headers. The info window of one item (matrix, function, etc.) now contains links to the connected items and menus, allowing navigation. A GUI settings dialog was provided. It is now possible to open matrices with over one million elements due to the implementation of a virtual table.
