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.

Letter, 14 December 1953, (EXHIBIT I) to Dr. Grace Hopper from Emil D. Schell, Chief, Mathematical Computation Branch, AFAPA-3B, DCS/Comptroller, Hq USAF, Washington 25, D.C.; 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).

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Object Details

Collection Creator

Hopper, Grace Murray, 1906-1992

Collection Citation

Grace Murray Hopper Collection, 1944-1965, Archives Center, National Museum of American History

Scope and Contents

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).

sova.nmah.ac.0324_ref340

GUID

https://n2t.net/ark:/65665/ep8c5cf2857-f8ce-493f-bfb2-6dd9d8f9ede5

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Grace Murray Hopper Collection

Grace Murray Hopper Collection / Series 6: Compiling Routines

Date

14 December 1953

Container

Box 5, Folder 1

Archival Repository

Archives Center, National Museum of American History

Type

Archival materials

Collection Rights

Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.

Collection Restrictions

Collection is open for research.

NMAH.AC.0324_ref340

https://n2t.net/ark:/65665/ep8c5cf2857-f8ce-493f-bfb2-6dd9d8f9ede5

NMAH.AC.0324

ACAH

Record ID

ebl-1562729477047-1562729477112-0

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