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fDesc[0] = "DerivaGem is Excel-based.<br /> <br /> Main features:<br /> <br /> - It now carries out calculations for credit derivatives and interest rate derivatives, as well as for options on stocks, indices, currencies, and futures<br /> - It calculates prices, implied volatilities, and the Greeks<br /> - It implements normal and lognormal interest rate models to value American-style interest rate options<br /> - It displays charts showing the relationships between variables<br /> - It displays the binomial/trinomial trees used for valuation";

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