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How-To Geek on MSN

A Step-by-Step Guide to Using SUMIFS in Microsoft Excel

The SUMIFS function works in a similar way with text as with numbers, but there are two key differences. First, text in Excel ...
IEEE

Research on equipment failure rate forecasting based on gray-linear regression combined model

Abstract: The paper researches math model about equipment failure rate, in order to forecast exactly equipment failure rate and advance equipment integrity rate and mission success rate and reserve ...