Mathematics Teacher (1969) Vol. 62, No. 4

  • Mathematics Teacher (1969) Vol. 62, No. 4

    APRIL 1969 VOLU.ME LXII, NUMBER 4 On the Positive Square Root of Two Edwin F. Beckenbach Independence of the Incidence Postulate David C. Huffman Pencils of Rays and the Sieve of Eratosthenes R. G. Buschman A New Way to Teach Probability Statistics Julian L. Simon and Allen Holmes The Readability of Junior High School