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Filing Date:

Linear equations with two variables (drill)

Registration Number: TX0001104592

Type of Work: Computer File

Date: 1981-03-31 00:00:00

Date of Creation: 11/05/1983

Date of Publication: 02/18/1983

Description: Printout.

Notes: Cataloged from appl. only.

Copyright Claimant: Control Data Corporation

Authorship on Application: derivative text of computer program: Barr Interactive Software, employer for hire.

Series: High school skills mathematics

Basis of Claim: New Matter: revisions to text of computer program.

Names: Control Data Corporation

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