TY - JOUR TI - Modular arithmetic T2 - The Arithmetic Teacher VL - 9 IS - 3 SP - 127 EP - 129 AU - HAINES, MARGARET PB - The National Council of Teachers of Mathematics PY - 1962 PY - 1962 LA - English SN - 0004-136X UR - https://www.jstor.org/stable/41184576 UR - https://katalog.skd.museum/Record/ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS80MTE4NDU3Ng ER -