汉字的数目字中,与小写一、二、三、四、五、六、七、八、九、十相对应的,有壹、贰、叁、肆、伍、陆、柒、捌、玖、拾十个大写字。最初小写字易认易写,但也易被改动,如「一」可改成「二、三、五、六、七、十」。于是,有人从浩瀚的汉字中找出十个读音相同但不易篡改的字,作为庄重场合(如银行支票、财务收据)的专用数目字。实际上这些字的原意并非指数字,壹,即 The number of Chinese characters corresponds to the lower one, two, three, four, five, six, seven, eight, nine, ten, one, two, three, Stanford, Wu, land, Ten uppercase letters. Initial lowercase easy to write easy to write, but also easily be changed, such as “a” can be changed to “two, three, five, six, seven, ten.” So, someone from the vast number of Chinese characters to find the same ten pronunciation but not easily tampered with words, as solemn occasions (such as bank checks, financial receipts) the special number of words. In fact, the original meaning of these words is not an index number, one, that is