Crystal Reports for Rational Application Developer 设计员指南
数组汇总函数
以下函数包含数组的重载：
“Average”
“Count”
“DistinctCount”
“Maximum”
“Minimum”
“PopulationStdDev”
“PopulationVariance”
“StdDev”
“Sum”
“Variance”
Business Objects，SAP 子公司
http://www.china.businessobjects.com/
支持服务
http://www.china.businessobjects.com/support/
Web 上的产品文档
http://support.businessobjects.com/documentation/