数字算命法
Arithmancy Class Death Omens: What to Do When You Know the Worst is coming? 死亡预兆:当你知道最坏的事即将到来的时候,你该怎么办?
Arithmancy is a required subject for those interested in a career in wizard banking at Gringotts (OP29). 古灵阁咒语破解员（火焰杯）想要去古灵阁工作的巫师，需要学习数学算命法。（凤凰社，第二十九章）
Arithmancy class at Hogwarts is taught by Professor Vector. In her class, students are expected to write essays and to create and be able to understand complicated number charts (PA12). 在霍格沃兹魔法学校，数字占卜术由维克多教授任教。她要求她的学生在课堂上写论文，去创造，能够完全明白数字图表。（PA12）
Arithmancy is a branch of magic that is concerned with the magical properties of numbers; 数字占卜术是魔法的一个分支，和数字有关的魔法。
