summation

  1. T

    easy one, thank you: =SUM()

    Hi. Hope you can help. I think this may be easy for you, but appreciated nonetheless! When I drag down a column of numbers, say, 4 7 2 9 and then hit the "E" (Sum), the last item (in this example the 9) changes to "=SUM()", instead of calculating and putting the sum on the following empty...
  2. B

    summation question

    I would like to find the sum of the squared integers from 1 to a 10000. How can I do that without have to enter in 1 to 10000 in a cell and then creating a really long formula? Thanks JD
  3. mthompso

    sum(A+B) <> sum(A+B)

    I encountered a very strange phenomenon with Excel the other day. The Excel SUM of 2 numbers did not equal the sum of the two numbers. The Excel sum has many extra numbers after the decimal point (ex: .05000000189). I don't recall the exact figures, but hopefully you get the point. Any ideas...

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