[High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099556 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : geometryspecial angles, pt. II tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as General educational development mathematics: geometry, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : geometryspecial angles, pt. II tutorial lesson
Other Title:
General educational development mathematics: geometry
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
Control Data Corporation (2034 documents)
example document: Affirmative action management curriculum; administrator's guide
example document: Affirmative action management curriculum; administrator's guide

[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099562 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : math sentences in one variable, sets and variables tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as General educational development mathematics: math sentences in one variable, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : math sentences in one variable, sets and variables tutorial lesson
Other Title:
General educational development mathematics: math sentences in one variable
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
Control Data Corporation (2034 documents)
example document: Administrator's guide for the Building your own business course
example document: Administrator's guide for the Building your own business course
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099563 / 19830419
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : sets and variables (drill)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: math sentences in one variablesets and variables application lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : sets and variables (drill)
Other Title:
High school skills mathematics: math sentences in one variablesets and variables application lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: The Periodic table
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: The Periodic table
Barr Interactive Software (51 documents)
example document: High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099564 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : math sentences in one variablesets and variables application lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. reg. as General educational development mathematics: math sentences in one variable, 1983, TX 1071836.
Description:
Printout.
Variant title:
High school skills mathematics : math sentences in one variablesets and variables application lesson
Other Title:
General educational development mathematics: math sentences in one variable
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099565 / 19830419
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : sets and variables (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: math sentences in one variablesets and variables tutorial lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : sets and variables (tutorial)
Other Title:
High school skills mathematics: math sentences in one variablesets and variables tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Basic language skills
Barr Interactive Software (51 documents)
example document: Probability (tutorial)
example document: Basic language skills
Barr Interactive Software (51 documents)
example document: Probability (tutorial)
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099566 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : measurementvolume tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as General educational development mathematics: measurement, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : measurementvolume tutorial lesson
Other Title:
General educational development mathematics: measurement
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099567 / 19830419
Date of Publication:
February 23, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : volume (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: measurementvolume tutorial lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : volume (tutorial)
Other Title:
High school skills mathematics: measurementvolume tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
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: Basic skills mathematics
example document: [High school skills reading
Barr Interactive Software (51 documents)
example document: Basic skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099568 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : measurementvolume application lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. reg. as General educational development mathematics: measurement, 1983, TX 1071836.
Description:
Printout.
Variant title:
High school skills mathematics : measurementvolume application lesson
Other Title:
General educational development mathematics: measurement
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099569 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : geometryspecial angles, pt. I tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as General educational development mathematics: geometry, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : geometryspecial angles, pt. I tutorial lesson
Other Title:
General educational development mathematics: geometry
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099570 / 19830419
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : special angles, pt. I (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: geometryspecial angles, pt. 1 tutorial lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : special angles, pt. I (tutorial)
Other Title:
High school skills mathematics: geometryspecial angles, pt. 1 tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Reading the newspaper
Barr Interactive Software (51 documents)
example document: Basic skills mathematics
example document: Reading the newspaper
Barr Interactive Software (51 documents)
example document: Basic skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001099571 / 19830419
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : geometryspecial angles, pt. I application lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. reg. as General educational development mathematics: geometry, 1983, TX 1071836.
Description:
Printout.
Variant title:
High school skills mathematics : geometryspecial angles, pt. I application lesson
Other Title:
General educational development mathematics: geometry
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001117335 / 19830331
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : basic number ideasset operations tutorial lesson]
Basis of Claim:
New Matter: revisions.
Description:
Printout.
Variant title:
High school skills mathematics : basic number ideasset operations tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126963 / 19830429
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : geometrycircles, arcs, and circumferences application lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. reg. in General educational development mathematics: geometry, 1983, TX 1071836.
Description:
Printout.
Variant title:
High school skills mathematics : geometrycircles, arcs, and circumferences application lesson
Other Title:
General educational development mathematics: geometry
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126964 / 19830429
Date of Publication:
February 25, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : circles, arcs, and circumferences (drill)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: geometrycircles, arcs, and circumferences application lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : circles, arcs, and circumferences (drill)
Other Title:
High school skills mathematics: geometrycircles, arcs, and circumferences application lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Basic language skills
Barr Interactive Software (51 documents)
example document: Basic skills mathematics
example document: Basic language skills
Barr Interactive Software (51 documents)
example document: Basic skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126965 / 19830429
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : special topicspercents greater than 100 tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as a part of General educational development mathematics: special topics, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : special topicspercents greater than 100 tutorial lesson
Other Title:
General educational development mathematics: special topics
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126966 / 19830429
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : areas, pt. 1 (drill)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: measurementareas, pt. 1 application lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : areas, pt. 1 (drill)
Other Title:
High school skills mathematics: measurementareas, pt. 1 application lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Time management; administration guide
Barr Interactive Software (51 documents)
example document: [Basic skills mathematics
example document: Time management; administration guide
Barr Interactive Software (51 documents)
example document: [Basic skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126967 / 19830429
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : areas, pt. 1 (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: measurementareas, pt. 1, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : areas, pt. 1 (tutorial)
Other Title:
High school skills mathematics: measurementareas, pt. 1
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: [Basic skills mathematics
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: [Basic skills mathematics
Barr Interactive Software (51 documents)
example document: High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126968 / 19830429
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : measurementareas, pt. I tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as a part of General educational development mathematics: measurement, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : measurementareas, pt. I tutorial lesson
Other Title:
General educational development mathematics: measurement
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126969 / 19830429
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : multiplication and division of integers (drill)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: basic number ideasmultiplication and division application lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : multiplication and division of integers (drill)
Other Title:
High school skills mathematics: basic number ideasmultiplication and division application lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: The Business systems analyst curriculum
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: The Business systems analyst curriculum
Barr Interactive Software (51 documents)
example document: High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126970 / 19830429
Date of Publication:
February 23, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : percents greater than one hundred (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: special topicspercents greater than 100 tutorial lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : percents greater than one hundred (tutorial)
Other Title:
High school skills mathematics: special topicspercents greater than 100 tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Principles of real estate appraisal
Barr Interactive Software (51 documents)
example document: Probability drill
example document: Principles of real estate appraisal
Barr Interactive Software (51 documents)
example document: Probability drill
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126971 / 19830429
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : basic number ideasmultiplication and division tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as a part of General educational development mathematics: basic number ideas, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : basic number ideasmultiplication and division tutorial lesson
Other Title:
General educational development mathematics: basic number ideas
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126972 / 19830429
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : basic number ideasmultiplication and division application lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. reg. in General educational development mathematics: basic number ideas, 1983, TX 1071836.
Description:
Printout.
Variant title:
High school skills mathematics : basic number ideasmultiplication and division application lesson
Other Title:
General educational development mathematics: basic number ideas
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126973 / 19830429
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : multiplication and division of integers (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: basic number ideasmultiplication and division tutorial lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : multiplication and division of integers (tutorial)
Other Title:
High school skills mathematics: basic number ideasmultiplication and division tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lessons: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Accounts receivable collection techniques
Barr Interactive Software (51 documents)
example document: [High school skills mathematics
example document: Accounts receivable collection techniques
Barr Interactive Software (51 documents)
example document: [High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126975 / 19830429
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : geometrycircles, arcs, and circumferences tutorial lesson]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as a part of General educational development mathematics: geometry, 1980.
Description:
Printout.
Variant title:
High school skills mathematics : geometrycircles, arcs, and circumferences tutorial lesson
Other Title:
General educational development mathematics: geometry
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Names:
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001126976 / 19830429
Date of Publication:
February 25, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : circles, arcs, and circumferences (tutorial)]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. pub. as High school skills mathematics: geometrycircles, arcs, and circumferences tutorial lesson, 1981.
Description:
Printout.
Variant title:
High school skills mathematics : circles, arcs, and circumferences (tutorial)
Other Title:
High school skills mathematics: geometrycircles, arcs, and circumferences tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from copyright appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Communication
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: Communication
Barr Interactive Software (51 documents)
example document: High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001132057 / 19830429
Date of Publication:
February 22, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : percents less than one hundred (tutorial)]
Basis of Claim:
New Matter: "rev. text of computer program (computer instructions) that generates lesson."
Previous Registration:
Preexisting material: High school skills mathematics: special topicspercents less than one tutorial lesson.
Description:
Printout.
Variant title:
High school skills mathematics : percents less than one hundred (tutorial)
Other Title:
High school skills mathematics: special topicspercents less than one tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from appl.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Parenting
Barr Interactive Software (51 documents)
example document: Probability (tutorial)
example document: Parenting
Barr Interactive Software (51 documents)
example document: Probability (tutorial)
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001132058 / 19830429
Date of Publication:
February 23, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : percents greater than one hundred (drill)]
Basis of Claim:
New Matter: "rev. text of computer program (computer instructions) that generate[s] lesson."
Previous Registration:
Preexisting material: High school skills mathematics: special topicspercents greater than 100 application lesson.
Description:
Printout.
Variant title:
High school skills mathematics : percents greater than one hundred (drill)
Other Title:
High school skills mathematics: special topicspercents greater than 100 application lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from appl.
Authorship on Application:
derivative text of computer program: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Affirmative action management curriculum
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: Affirmative action management curriculum
Barr Interactive Software (51 documents)
example document: High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001135042 / 19830517
Date of Publication:
March 2, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : addition and subtraction of integers (drill) : file no. 100174.]
Basis of Claim:
New Matter: "rev. text of computer program (computer instructions) that generat[s] lesson."
Description:
Printout.
Variant title:
High school skills mathematics : addition and subtraction of integers (drill)
Copyright Claimant:
Control Data Corporation
Notes:
Cataloged from appl. only.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Administration of the New York Stock Exchange, Inc.
Barr Interactive Software (51 documents)
example document: Probability drill
example document: Administration of the New York Stock Exchange, Inc.
Barr Interactive Software (51 documents)
example document: Probability drill
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001135043 / 19830517
Date of Publication:
March 2, 1983
Date of Creation:
1983
Title:
[High school skills mathematics : addition and subtraction of integers (tutorial) : file no. 100173.]
Basis of Claim:
New Matter: "rev. text of computer program (computer instructions) that generate[s] lesson."
Description:
Printout.
Variant title:
High school skills mathematics : addition and subtraction of integers (tutorial)
Copyright Claimant:
Control Data Corporation
Notes:
Title from appl.
Authorship on Application:
derivative text of computer program that generates lesson: Barr Interactive Software, employer for hire.
Names:
Control Data Corporation (2034 documents)
example document: Basic language skills
Barr Interactive Software (51 documents)
example document: High school skills mathematics
example document: Basic language skills
Barr Interactive Software (51 documents)
example document: High school skills mathematics
[High school skills mathematics
Type of Work:
Machinereadable work or computer program
Registration Number / Date:
TX0001135044 / 19830517
Date of Publication:
March 30, 1981
Date of Creation:
1981
Title:
[High school skills mathematics : math sentences in one variable : special quadratic equations tutorial lesson : file no. 100237.]
Basis of Claim:
New Matter: revisions.
Previous Registration:
Prev. reg. 1983, TX 1068213.
Description:
Printout.
Variant title:
High school skills mathematics : math sentences in one variable : special quadratic equations tutorial lesson
Copyright Claimant:
Control Data Corporation
Notes:
Title from appl.
Names:
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