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Sunday, May 4, 2008

Serious bug to be detected with Excel 2007, the calculation result by mistake indication - - from release half year or more, in report of the user gro

The United States Microsoft September 25th, recognized the fact that it is the bug which indicates the calculation result which you make a mistake to the latest edition "Excel 2007" of the chart calculation software, under fixed condition.

This bug last week Saturday, is something which in news group "microsoft.public.excel" of the Excel user makes clear. "The mol ham cicely -" with the user which you are identified, "when 850x77.1 was calculated with Excel 2007, 100,000 calls the result was produced, (correct answer 65,535)" with reporting is beginning.

After that, the same news group is utilized from many users, could move aside similar report. The number of comments for the corresponding thread has risen to also 133 in the September 27 day and time point. According to the verification of the user and others, you say even in the calculation other than 850x77.1 that there are times when the erroneous result is indicated.

The Excel team of Microsoft September 25th, this problem apologized with official of the same company, recognized the existence of bug. As for Chief project manager is served in the Excel team, "as for many of report from the user, it is something regarding multiplication. But, at the point where we verify, connection of multiplication and bug was not recognized, "that you commented.

According to, Excel 2007 indicates the erroneous number as for the phenomenon where, the calculation result 65,535? Among the floating point calculations which become 65,536, you say that it occurs with the case of 12 of specification. By the way, the same problem occurring with just Excel 2007, does not exist in Excel of other versions.

As for , "as for this problem it is not to be the computing of Excel 2007, the occasion where the number is indicated in the worksheet, bug of the cord/code which processes value and the format is cause", that it has done.

As for "the calculation result of 850x77.1 100,000 is indicated as the evidence where the computing of Excel 2007 is not error. But when furthermore 2 is bet on this value, reply is not 200,000, 131,070 of correct values is indicated. In other words, correct value is retained in Excel 2007, ", that it has explained.

Furthermore it is seen that as for the correction patch of the same bug, from the Web sight of completion circumstance Microsoft download becomes possible, is distributed to the user "Windows (Microsoft) via the automatic operation update of Update" and so on. But at present time, "the schedule which for the correction patch of the same bug, release is done to ??? of the same company urgently" it just is stated, as for concrete schedule it is not made clear.

As for the user and others of Excel 2007, also the late, has estimated to distribution day of next conventional security correction patch that the patch of the same bug is distributed. Furthermore, next security correction patch distribution day is schedule October 9th.

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