[Basic skills mathematics--ratio/proportion/percent, cluster 1, the concept of ratio]

Computer File Registration

[Basic skills mathematics--ratio/proportion/percent, cluster 1, the concept of ratio]

Status

Published

on 13 Jun 2007

Year of Creation

1977

Control Data Corporation

Registration Number

PA0000155837

on 13 Jun 2007

The U.S. Copyright record (Registration Number: PA0000155837) dated 13 Jun 2007, pertains to an electronic file (eService) titled "[Basic skills mathematics--ratio/proportion/percent, cluster 1, the concept of ratio]" created in 1977. The copyright holder is Control Data Corporation, known for their creative contributions in computer file registration. For any inquiries concerning this copyrighted material, kindly reach out to Control Data Corporation.

Control Data Corporation

Application Details

Registration Number

PA0000155837

Registration Date

6/13/2007

Year of Creation

1977

Place of First Publication

[Minneapolis]

Publisher Name

Control Data Corp

Agency Marc Code

DLC-CO

Record Status

New

Physical Description

1 microcomputer program

Personal Authors

Ralph Heimer

Corporate Authors

Control Data Corporation

Notes

Local Copyright Note: C.O. correspondence

Bibliographic Note: Title from applIdentifying material deposited in lieu of program

Statements

Author Statement: text & interactive graphics: Ralph Heimer

Notes

Local Copyright Note: C.O. correspondence

Bibliographic Note: Title from applIdentifying material deposited in lieu of program

Statements

Author Statement: text & interactive graphics: Ralph Heimer

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