中文摘要：

ArArCALC是^40 Ar／^39 Ar法数据处理专业软件，A．A．P．Koppers以Visual Basic编写的Microsoft Excel“宏”。在Windows 95-Vista系统上均可运行。经过不断改进，ArArCALC已经发展成为一种功能强大且使用方便的软件，可全面进行^40 Ar／^39 Ar数据计算，包括回归时间零点值、坪年龄、全熔年龄和等时线年龄计算并自动作图，给出分析误差、内部误差和外部误差。更重要的是，ArArCALC能将原始数据、各种参数、计算结果和图件以可编辑的Excel格式给出。ArArCALC交互性强，用户可随时对有关参数进行修改，重新计算，提高了数据处理效率。鉴于上述优点，特此引荐ArArCALC。

英文摘要：

ArArCALC is a professional software for ^40 Ar/^39 Ar age calculations. It is coded in Visual Basic for applications on the Microsoft Excel 97 - 2007 and can be used under the Windows 95 - Vista operating systems. After long time improvement, ArArCALC has developed to be a powerful easy-to-use software, which can not only calculate the data of ^40 Ar/^39 Ar age, for example, regression of the beginning time＇s value, calculate age plateaus, total fusion ages and isochrones, but also calculate errors and provide analytical, internal and external errors. Moreover, ArArCALC can display the raw data, parameters used in the calculation, the results and every ratios of isotopes in uniform Excel format, which can be convenient for users to judge and compare the results in different laboratories. In addition, ArArCALC＇s easy-to-use interfaces allow users to update the parameters and recalculate data easily, which improves the efficiency of data reduction. Because of the advantages mentioned above, ArArCALC is recommended as the software for data reduction in ^40 Ar/^39 Ar geochronology by Earthtime, the international organization of geochronology.