Catch up on stories from the past week (and beyond) at the Slashdot story archive


Forgot your password?
Microsoft Math IT

Excel 2007 Multiplication Bug 806

Posted by kdawson
from the be-fruitful-and-all-that dept.
tibbar66 writes with news of a serious multiplication bug in Excel 2007, which has been reported to the company. The example that first came to light is =850*77.1 — which gives a result of 100,000 instead of the correct 65,535. It seems that any formula that should evaluate to 65,535 will act strangely. One poster in the forum noted these behaviors: "Suppose the formula is in A1. =A1+1 returns 100,001, which appears to show the formula is in fact 100,000... =A1*2 returns 131,070, as if A1 had 65,535 (which it should have been). =A1*1 keeps it at 100,000. =A1-1 returns 65,534. =A1/1 is still 100,000. =A1/2 returns 32767.5."
This discussion has been archived. No new comments can be posted.

Excel 2007 Multiplication Bug

Comments Filter:

"Stupidity, like virtue, is its own reward" -- William E. Davidsen