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TRIGONOMETRY—CONVINCING MATHEMATICS FOR THE NINTH GRADE PUPIL

Documents TRIGONOMETRY—CONVINCING MATHEMATICS FOR THE NINTH GRADE PUPIL

GRAPHS—THE MOST ENLIGHTENING TOPIC OF ELEMENTARY ALGEBRA

Documents GRAPHS—THE MOST ENLIGHTENING TOPIC OF ELEMENTARY ALGEBRA

SEEKING FORMULAS FOR TABLES OF RELATED VALUES

Documents SEEKING FORMULAS FOR TABLES OF RELATED VALUES

AN OBJECTIVE TEST IN LOGARITHMS

Documents AN OBJECTIVE TEST IN LOGARITHMS

OBJECTIVE TESTING IN SECONDARY SCHOOL MATHEMATICS

Documents OBJECTIVE TESTING IN SECONDARY SCHOOL MATHEMATICS

PRINCIPLES OF SOLID GEOMETRY BASIC TO NAVIGATION

Documents PRINCIPLES OF SOLID GEOMETRY BASIC TO NAVIGATION

TEACH THEM SLIDE RULE

Documents TEACH THEM SLIDE RULE

THE SOLUTION OF PROBLEMS BY MEANS OF GRAPHS

Documents THE SOLUTION OF PROBLEMS BY MEANS OF GRAPHS