Mathematics Teacher (1976) Vol. 69, No. 4

  • Mathematics Teacher (1976) Vol. 69, No. 4

    National Council of Teachers of Mathematics Wiggle Graphs and Signum Functions Dean B. Priest and Dianne D. Wood The Tilted Probability Board j oe Dan Austin Graphcodea Hyman Gabai Our catalog far '76 is aut af this WORLD I That's bacausa wa cara about today, but navar stop shooting toward tomorrow. Our star-studded 19