商品煤质量计算机信息管理系统

Computer Information Management System of the Quality of Commodity Coal

输入各矿商品煤销量、灰分、水分、硫分、发热量,经过计算机计算,生成并打印各矿销量总和及各项指标加权平均值。

This text discusses a computer information management system of the quality of commodity coal by which the sales volume sum of every coal mine and the weighted average of ev ery targets can be produced and printed after inputting the sales volume, ash content, moisture content, sulphur content , calorifie capacity of every coal mine.