Exhibit I, Letter  to Dr. Grace Hopper from Emil D. Schell, Chief, Mathematical Computation Branch, AFAPA-3B, DCS/Comptroller, Headquarters USAF, Washington 25, D.C.
name: label: Collection Creator
content: Hopper, Grace Murray, 1906-1992
setName: label: See more items in
content: Grace Murray Hopper Collection
label: See more items in
content: Grace Murray Hopper Collection / Series 6: Compiling Routines
unitdate: label: Date
content: 14 December 1953
container: label: Container
content: Box 5, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents
content: Used A-2 Compiler for an Air Force problem; found subroutine to compute the cosine of an angle contained errors, enclose their corrections.Letter, (EXHIBIT J) to Dr. Grace Murray Hopper (illegible copy).