Pi is the ratio of a circle’s circumference to its diameter. Pi (*) has a decimal value of 3.14. In 1706, British mathematician William Jones devised the * symbol to represent the ratio, and it was ...
Speech: Code, Meaning, and Communication. John W. Black and Wilbur E. Moore. McGraw-Hill, New York- London, 1955. vii + 430 pp. Illus. $4.50.
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