The introduction to the book "Introduction to Numerical Analysis" by F. B. Hildebrand, an Associate Professor of Mathematics at the Massachusetts Institute of Technology, provides a brief overview of the content and purpose of the book. It is published by McGraw-Hill Book Company, Inc. in 1956 and is available in New York, Toronto, and London.The introduction to the book "Introduction to Numerical Analysis" by F. B. Hildebrand, an Associate Professor of Mathematics at the Massachusetts Institute of Technology, provides a brief overview of the content and purpose of the book. It is published by McGraw-Hill Book Company, Inc. in 1956 and is available in New York, Toronto, and London.