McCullough, B.D. (2002). Proceedings of the 2001 Joint Statistical Meeting [CD-ROM]: Does Microsoft fix errors in Excel? Alexandria, VA: American Statistical Association.

McCullough, B.D. (1999). Assessing the reliability of statistical software: Part II. The American Statistician, 53(2), 149-159.

McCullough, B.D. (1998). Assessing the reliability of statistical software: Part I. The American Statistician, 52(4), 358-366.

McCullough, B.D. & Wilson, B. (2005). On the accuracy of statistical procedures in Microsoft Excel 2003. Computational Statistics and Data Analysis, 49(4), 1244-1252.

McCullough, B.D. & Wilson, B. (2002). On the accuracy of statistical procedures in Microsoft Excel 2000 and Excel XP. Computational Statistics and Data Analysis, 40(4),
713-721.

McCullough, B.D. & Wilson, B. (1999). On the accuracy of statistical procedures in Microsoft Excel 97. Computational Statistics and Data Analysis, 31(1), 27-37.

Also, see Errors, Faults and Fixes for Excel Statistical Functions and Routines.