Mathematics Teacher (1971) Vol. 64, No. 1

  • Mathematics Teacher (1971) Vol. 64, No. 1

    NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS J ANU AR y 1971 VOLUME LXI\', NU~IBER 1 The NCTM and the Two-Year Colleges B1uce E. Meserve On Proofs of the Irrationality of V2 V. C. Harris Girolamo Cardano: A Defense of His Character James K. Bidwell and Bernard K. Lange New Products, New Programs, New Publications Introd