Did you find something that looks like an error (or possible error) to you? Report the error quickly here (anonymous, does not require login, but you can optionally provide an email ID to be notified of the fix).
We have just started logging errors. On this page, you will find information about all errors that persisted on the site for more than one month on any page. Note: This applies only to errors that were not fixed by December 18, 2011. Errors fixed before then are not being logged on this page.
|Page||Error description||Version where it was introduced||Version where it was corrected||Why error? Why not caught? ("I" refers to Vipul)|
|partial derivative||Had "x" in place of "y" in one of the derivative descriptions/definitions.||December 17, 2011||April 1, 2012||Didn't revisit page often enough|