Mathematics Teacher (1965) Vol. 58, No. 8

  • Mathematics Teacher (1965) Vol. 58, No. 8

    DECEMBER 1965 The second revolution in mathematics CARL B. ALLENDOERFER An illustration of the use of vector methods in geometry HERBERT E. VA. UGHAN Commuting linear functions and fixed points CHARLES P. SEGUIN The use and abuse of programed instruction LEANDER W. SMITH Divisibility tests of the noncongruence type JOH