Perry, Gail. Excel 2000 answers! / Gail Perry. - Berkeley, Calif. : Osborne/McGraw-Hill, 1999. - 367 p. : ill. ; 24 cm. Includes index. ISBN: 0072118830 RM100.50 LCCN: 00-687487 Subjects--Uniform Titles: Microsoft Excel (Computer file) Subjects--Topical Terms: Computer technical support.