摘要： 数值函数：abs(m)m的绝对值mod(m,n)m被n除后的余数power(m,n)m的n次方round(m[,n])m四舍五入至小数点后n位的值（n缺省为0）trunc(m[,n])m截断n位小数位的值（n缺省为0）%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%字符函数：initcap(st)返回st将每个单词的首字母大写，所有其他... 阅读全文