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fDesc[0] = "This calculator calculates derivative functions of high orders in symbolic and numeric forms. <br /> <br /> Numerical coefficients and values are calculated with precision 14-16 digits. <br /> <br /> Obtained symbolic formula can be used with Graphing Calculator 2D Numeric, Graphing Calculator 2D Parametric, and Graphing Calculator 2D Polar for drawing graphs. <br /> <br /> There is also possibility to use symbolic parameters ( for example, sin(a*x) cos(b*x) 2*c), but then numeric values and graphs cannot be calculated, of course.";

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