Ratio, proportion and percent, geometry, and measurement, Basic skills mathematics
Fractions and decimals
Type of Work:
Nondramatic literary work
Registration Number / Date:
TX0000342618 / 19791002
Date of Publication:
January 10, 1978
Date of Creation:
1977
Date in Notice:
notice: 1977
Title:
Fractions and decimals / Ralph T. Heimer.
Series:
Basic skills learning system. Mathematics
Imprint:
[s.l.] : Control Data Education Co., c1977.
Description:
104 p.
Other Title:
Basic skills learning system : Mathematics
Copyright Claimant:
Control Data Corporation
Names:
Ralph T. Heimer (9 documents)
example document: General educational development learning system
Control Data Corporation (2034 documents)
example document: Principles of accounting and financial statement analysis
example document: General educational development learning system

Control Data Corporation (2034 documents)
example document: Principles of accounting and financial statement analysis

Basic number ideas, addition, and subtraction
Type of Work:
Nondramatic literary work
Registration Number / Date:
TX0000342619 / 19791002
Date of Publication:
February 28, 1979
Date of Creation:
1979
Title:
Basic number ideas, addition, and subtraction / Ralph T. Heimer.
Basis of Claim:
New Matter: revisions & additions.
Previous Registration:
Preexisting material: first version.
Series:
Basic skills learning system. Mathematics
Imprint:
[s.l.] : Control Data Education Co., c1979.
Description:
88 p.
Other Title:
Basic skills learning system : Mathematics
Copyright Claimant:
Control Data Corporation
Names:
Ralph T. Heimer (9 documents)
example document: Modern intermediate algebra. By Eugene D. Nichols, E. Henry Garland & Ralph T. Heimer
Control Data Corporation (2034 documents)
example document: The Interview
example document: Modern intermediate algebra. By Eugene D. Nichols, E. Henry Garland & Ralph T. Heimer
Control Data Corporation (2034 documents)
example document: The Interview
Ratio, proportion and percent, geometry, and measurement
Type of Work:
Nondramatic literary work
Registration Number / Date:
TX0000342620 / 19791002
Date of Publication:
February 10, 1978
Date of Creation:
1977
Date in Notice:
notice: 1977
Title:
Ratio, proportion and percent, geometry, and measurement / Ralph T. Heimer.
Series:
Basic skills learning system. Mathematics
Imprint:
[s.l.] : Control Data Education Co., c1977.
Description:
85 p.
Other Title:
Basic skills learning system : Mathematics
Copyright Claimant:
Control Data Corporation
Names:
Ralph T. Heimer (9 documents)
example document: Multiplication and division
Control Data Corporation (2034 documents)
example document: Expanding your managerial perspective
example document: Multiplication and division
Control Data Corporation (2034 documents)
example document: Expanding your managerial perspective
Basic number ideas, addition, and subtraction
Type of Work:
Nondramatic literary work
Registration Number / Date:
TX0000342621 / 19791002
Date of Publication:
January 10, 1978
Date of Creation:
1977
Date in Notice:
notice: 1977
Title:
Basic number ideas, addition, and subtraction / Ralph T. Heimer.
Series:
Basic skills learning system. Mathematics
Imprint:
[s.l.] : Control Data Education Co., c1977.
Description:
88 p.
Other Title:
Basic skills learning system : Mathematics
Copyright Claimant:
Control Data Corporation
Names:
Ralph T. Heimer (9 documents)
example document: Modern intermediate algebra. By Eugene D. Nichols, E. Henry Garland & Ralph T. Heimer
Control Data Corporation (2034 documents)
example document: Planning for retirement
example document: Modern intermediate algebra. By Eugene D. Nichols, E. Henry Garland & Ralph T. Heimer
Control Data Corporation (2034 documents)
example document: Planning for retirement
Fractions and decimals
Type of Work:
Nondramatic literary work
Registration Number / Date:
TX0000342623 / 19791002
Date of Publication:
April 23, 1979
Date of Creation:
1979
Title:
Fractions and decimals / Ralph T. Heimer.
Basis of Claim:
New Matter: additions & revisions.
Previous Registration:
Preexisting material: first version.
Series:
Basic skills learning system. Mathematics
Imprint:
[s.l.] : Control Data Education Co., c1979.
Description:
104 p.
Other Title:
Basic skills learning system : Mathematics
Copyright Claimant:
Control Data Corporation
Names:
Ralph T. Heimer (9 documents)
example document: Modern intermediate algebra. By Eugene D. Nichols, E. Henry Garland & Ralph T. Heimer
Control Data Corporation (2034 documents)
example document: [High school skills mathematics
example document: Modern intermediate algebra. By Eugene D. Nichols, E. Henry Garland & Ralph T. Heimer
Control Data Corporation (2034 documents)
example document: [High school skills mathematics
Basic skills math tests
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001046614 / 19820927
Date of Publication:
July 9, 1979
Date of Creation:
1977
Date in Notice:
notice: 1977
Title:
Basic skills math tests.
Application Title:
Basic skills mathematics tests.
Edition:
Original version.
Basis of Claim:
New Matter: text of computer program.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
computer instructions: Ralph Heimer.
Names:
Ralph Heimer
Control Data Corporation (2034 documents)
example document: The Business systems analyst curriculum
Control Data Corporation (2034 documents)
example document: The Business systems analyst curriculum
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001046615 / 19820927
Date of Publication:
July 9, 1979
Date of Creation:
1977
Date in Notice:
notice: 1977
Title:
Basic skills mathematics.
Basis of Claim:
New Matter: text of computer program.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
computer instructions: Ralph Heimer.
Names:
Ralph Heimer
Control Data Corporation (2034 documents)
example document: [General educational development reading
Control Data Corporation (2034 documents)
example document: [General educational development reading
Division strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057588 / 19820923
Date of Publication:
July 9, 1979
Date of Creation:
1977
Title:
Division strand.
Application Title:
Basic skills mathematics: division strand review check, pt. 112.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Ralph Heimer (11 documents)
example document: Multiplication strand
Control Data Corporation (2034 documents)
example document: Using communication skills as a manager
example document: Multiplication strand
Control Data Corporation (2034 documents)
example document: Using communication skills as a manager
Inventory fraction strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057589 / 19820924
Date of Publication:
July 9, 1979
Date of Creation:
1977
Title:
Inventory fraction strand.
Application Title:
Basic skills mathematics: inventory test fractions strand.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Fractions strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057590 / 19820924
Date of Publication:
July 9, 1979
Date of Creation:
1977
Title:
Fractions strand.
Application Title:
Basic skills mathematics: fractions strand review check, pt. 13.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays & cover artwork: Ralph Heimer.
Names:
Inventory addition strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057591 / 19820924
Date of Publication:
July 9, 1979
Date of Creation:
1977
Title:
Inventory addition strand.
Application Title:
Basic skills mathematics: inventory test addition strand.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Ralph Heimer
Control Data Corporation (2034 documents)
example document: The Business systems analyst curriculum
Control Data Corporation (2034 documents)
example document: The Business systems analyst curriculum
Addition strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057592 / 19820924
Date of Publication:
July 9, 1979
Date of Creation:
1977
Title:
Addition strand.
Application Title:
Basic skills mathematics: addition strand review check, pt. 1, 2, 3, and 4.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Inventory division strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057615 / 19820923
Date of Publication:
July 9, 1979
Date of Creation:
1977
Date in Notice:
notice: 1977, 1980
Title:
Inventory division strand.
Application Title:
Basic skills mathematics: inventory test division strand.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Ralph Heimer
Control Data Corporation (2034 documents)
example document: [High school skills reading
Control Data Corporation (2034 documents)
example document: [High school skills reading
Inventory subtraction strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057616 / 19820924
Date of Publication:
July 9, 1979
Date of Creation:
1977
Date in Notice:
notice: 1977, 1980
Title:
Inventory subtraction strand.
Application Title:
Basic skills mathematics: inventory test subtraction strand.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Ralph Heimer
Control Data Corporation (2034 documents)
example document: Multiplication and division
Control Data Corporation (2034 documents)
example document: Multiplication and division
Inventory ratio, proportion, and percent strand
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001057618 / 19820927
Date of Publication:
July 9, 1979
Date of Creation:
1977
Date in Notice:
notice: 1977, 1980
Title:
Inventory ratio, proportion, and percent strand.
Application Title:
Basic skills mathematics: inventory test ratio/proportion/percent strand.
Copyright Note:
C.O. correspondence.
Description:
Printout.
Copyright Claimant:
Control Data Corporation
Authorship on Application:
text of screen displays: Ralph Heimer.
Names:
Ralph Heimer (11 documents)
example document: Subtraction strand
Control Data Corporation (2034 documents)
example document: Take a look at yourself
example document: Subtraction strand
Control Data Corporation (2034 documents)
example document: Take a look at yourself
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001221947 / 19831013
Date of Publication:
April 4, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : divisiondivision skills 7 (drill).
Basis of Claim:
New Matter: "editing."
Previous Registration:
Text prev. reg. 1982, PA 155830 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : divisiondivision skills 7 (drill)
Copyright Claimant:
Control Data Corporation
Authorship on Application:
editing: Control Data Corporation, employer for hire.
Performer:
Identifying material including 7 other programs (Basic skills reading : thinking about what you readforming & identifying similes (tutorial) et al.) deposited in lieu of program.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001221948 / 19831013
Date of Publication:
April 4, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : divisiondivision skills 7 (tutorial).
Basis of Claim:
New Matter: "rev. text & editing."
Previous Registration:
Text prev. reg. 1982, PA 155830 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : divisiondivision skills 7 (tutorial)
Copyright Claimant:
Control Data Corporation
Authorship on Application:
rev. text & editing: Control Data Corporation, employer for hire.
Performer:
Identifying material including 7 other programs (Basic skills reading : thinking about what you readforming & identifying similes (tutorial) et al.) deposited in lieu of program.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001264372 / 19831013
Date of Publication:
March 30, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 6 (tutorial).
Basis of Claim:
New Matter: "rev. text & editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982 as Basic skills mathematics : multiplicationcluster 11 tutorial lesson, PA 155971 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 6 (tutorial)
Other Title:
Basic skills mathematics : multiplicationcluster 11 tutorial lesson
Copyright Claimant:
Control Data Corporation
Authorship on Application:
rev. text & editing: Control Data Corporation, employer for hire.
Performer:
Identifying material including 4 other programs (High school skills reading : dramathe literal meaning of drama (tutorial) et al.) deposited in lieu of program.
Names:
Control Data Corporation (2034 documents)
example document: Introduction to the management training for the career woman curriculum
example document: Introduction to the management training for the career woman curriculum
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001264373 / 19831013
Date of Publication:
March 30, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 6 (drill).
Basis of Claim:
New Matter: "editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982 as Basic skills mathematics : multiplicationcluster 11 drill and practice lesson, PA 155971 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 6 (drill)
Other Title:
Basic skills mathematics : multiplicationcluster 11 drill and practice lesson
Copyright Claimant:
Control Data Corporation
Authorship on Application:
editing: Control Data Corporation, employer for hire.
Performer:
Identifying material including 4 other programs (High school skills reading : dramathe literal meaning of drama (tutorial) et al.) deposited in lieu of program.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001264378 / 19831013
Date of Publication:
March 31, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 3 (tutorial).
Basis of Claim:
New Matter: "editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982 as Basic skills mathematics : multiplicationcluster 8 tutorial lesson, PA 155947 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 3 (tutorial)
Other Title:
Basic skills mathematics : multiplicationcluster 8 tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Identifying material including 5 other programs (Basic skills mathematics : multiplicationmultiplication skills 3 (drill) et al.) deposited in lieu of program.
Authorship on Application:
editing: Control Data Corporation, employer for hire.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001264379 / 19831013
Date of Publication:
March 31, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 3 (drill).
Basis of Claim:
New Matter: "editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982 as Basic skills mathematics : multiplicationcluster 8 drill and practice lesson, PA 155947 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 3 (drill)
Other Title:
Basic skills mathematics : multiplicationcluster 8 drill and practice lesson
Copyright Claimant:
Control Data Corporation
Notes:
Identifying material including 5 other programs (Basic skills mathematics : multiplicationmultiplication skills 3 (tutorial) et al.) deposited in lieu of program.
Authorship on Application:
editing: Control Data Corporation, employer for hire.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001265928 / 19831109
Date of Publication:
April 5, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 5 (drill).
Basis of Claim:
New Matter: "editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982, PA 155976 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 5 (drill)
Copyright Claimant:
Control Data Corporation
Authorship on Application:
editing: Control Data Corporation, employer for hire.
Performer:
Identifying material including 2 other programs (High school skills reading : prose literaturecharacterization (tutorial) & High school skills reading : prose literaturecharacterization (drill)) deposited in lieu of program.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001265931 / 19831109
Date of Publication:
April 7, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmeaning of multiplication (tutorial).
Basis of Claim:
New Matter: "rev. text & editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982, PA 155843 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmeaning of multiplication (tutorial)
Copyright Claimant:
Control Data Corporation
Notes:
Identifying material including 5 other programs (Basic skills mathematics : multiplicationmeaning of multiplication (drill) et al.) deposited in lieu of program.
Authorship on Application:
rev. text & editing: Control Data Corporation, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Introduction to the management training for the career woman curriculum
example document: Introduction to the management training for the career woman curriculum
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001265932 / 19831109
Date of Publication:
April 7, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmeaning of multiplication (drill).
Basis of Claim:
New Matter: "editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982, PA 155843 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmeaning of multiplication (drill)
Copyright Claimant:
Control Data Corporation
Notes:
Identifying material including 5 other programs (Basic skills mathematics : multiplicationmeaning of multiplication (tutorial) et al.) deposited in lieu of program.
Authorship on Application:
editing: Control Data Corporation, employer for hire.
Names:
Basic skills mathematics
Type of Work:
Nondramatic literary work
Registration Number / Date:
TX0001268421 / 19831109
Date of Publication:
April 6, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication properties 1 (tutorial)
Basis of Claim:
New Matter: "editing."
Previous Registration:
Prev. reg. 1982, PA 155821.
Variant title:
Basic skills mathematics : multiplicationmultiplication properties 1 (tutorial)
Copyright Claimant:
Control Data Corporation
Notes:
Cataloged from appl. only.
Names:
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001273619 / 19831109
Date of Publication:
April 4, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication properties 1 (drill).
Basis of Claim:
New Matter: "rev. text & editing."
Previous Registration:
Text & interactive graphics prev. reg. 1982, PA 155821 & pub. 1979.
Imprint:
Minneapolis : Control Data Corp., c1983.
Description:
1 microcomputer program.
Variant title:
Basic skills mathematics : multiplicationmultiplication properties 1 (drill)
Copyright Claimant:
Control Data Corporation
Authorship on Application:
rev. text & editing: Control Data Corporation, employer for hire.
Performer:
Identifying material including 4 other programs (Basic skills reading : thinking about what you readwhat happened and why it happened (tutorial) et al.) deposited in lieu of program.
Names:
Control Data Corporation (2034 documents)
example document: Introduction to computer hardware, a computer based education course
example document: Introduction to computer hardware, a computer based education course
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001331435 / 19831017
Date of Publication:
March 30, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 6 (tutorial)
Basis of Claim:
New Matter: "derivative text of computer program (computer instructions) that generates lesson."
Previous Registration:
Prev. reg. 1983, TX 1126857.
Description:
Printout.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 6 (tutorial)
Copyright Claimant:
Control Data Corporation
Notes:
Cataloged from appl. only.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: [High school skills reading
Barr Interactive Software (51 documents)
example document: [High school skills mathematics
example document: [High school skills reading
Barr Interactive Software (51 documents)
example document: [High school skills mathematics
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001331436 / 19831017
Date of Publication:
March 30, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 6 (drill)
Basis of Claim:
New Matter: "derivative text of computer program (computer instructions) that generates lesson."
Previous Registration:
Prev. reg. 1983, TX 1126856.
Description:
Printout.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 6 (drill)
Copyright Claimant:
Control Data Corporation
Notes:
Cataloged from appl. only.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Transactions on stock exchanges
Barr Interactive Software (51 documents)
example document: [High school skills mathematics
example document: Transactions on stock exchanges
Barr Interactive Software (51 documents)
example document: [High school skills mathematics
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001331437 / 19831017
Date of Publication:
March 31, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 3 (tutorial)
Basis of Claim:
New Matter: "derivative text of computer program (computer instructions) that generates lesson."
Previous Registration:
Prev. reg. 1983, TX 1126845.
Description:
Printout.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 3 (tutorial)
Copyright Claimant:
Control Data Corporation
Notes:
Cataloged from appl. only.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: [High school skills reading
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: [High school skills reading
Barr Interactive Software (51 documents)
example document: High school skills mathematics
Basic skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001331438 / 19831017
Date of Publication:
March 31, 1983
Date of Creation:
1983
Title:
Basic skills mathematics : multiplicationmultiplication skills 3 (drill)
Basis of Claim:
New Matter: "derivative text of computer program (computer instructions) that generates lesson."
Previous Registration:
Prev. reg. 1983, TX 1126844.
Description:
Printout.
Variant title:
Basic skills mathematics : multiplicationmultiplication skills 3 (drill)
Copyright Claimant:
Control Data Corporation
Notes:
Cataloged from appl. only.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Troubleshooting procedures
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: Troubleshooting procedures
Barr Interactive Software (51 documents)
example document: High school skills mathematics
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