a question about Excel

I have two columns of data, column A is time, from 0 all the way down to 12 minutes, in increasing order, colunn B is machine response.

1. I would like to do intergration of response over time, does Excel have such function?

2. For column A, how do I know from which row, the value becomes bigger than a certain value, say 4. Is there such a function ?

Thanks ahead

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What do U mean by intergration -ExcelCanDo- 给 ExcelCanDo 发送悄悄话 (37 bytes) () 01/17/2005 postreply 20:40:58

you can also use -无名啊- 给 无名啊 发送悄悄话 (46 bytes) () 01/17/2005 postreply 21:00:31

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