本书所讲DerivaGem软件是其第151版本，这一软件包括两个Excel的应用：期权计算器（options calculator）及应用工具（applications builder）。
基于1个网页-相关网页
options calculator
期权计算器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The interactive calculator below sorts through unbundled options for 170 popular TV shows.
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An online HECM calculator Guttentag developed lets consumers choose any combination of these options and project the outcome for every year until they reach age 100 (you can use it anonymously).
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