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Matrex is a lightweight vectorial spreadsheet: calculates blocks of values, not single cells; it is strongly multithreaded; users can work together on sheets using a server. Adapters to matlab, scilab, octave, R.
O SAINP (Sistema de Apoio ao Investidor Não Profissional) se propõe a realizar a análise fundamentalista dos ativos negociados na bolsa de valores brasileira. É um sistema próximo ao fornecido pela Economatica, mas gratuito e online.