此程序实现的是一个运算器，是在一个程序的基础上进行改进的，计算器中需要的运算以及操作对象： IF,AND,OR,<,<=,>,>=,<>,=,== 数字0-9,(,),+,-,*,/, SIN,COS,TAN,POW,EXP,ABS,SQRT,INT,LN,LOG,MIN,MAX.-this program is a computing device that is in a process of improvement based on the

算术表达式解析器 .rar 支持变量和以下数学函数ABS, ATAN, COS, EXP, LN, ROUND,SIN, SQRT, SQR, TRUNC, NOT, BOOL, SGN\"-arithmetic expression parser. Rar support of the following variables and Math ABS, ATAN, COS, EXP, LN, ROUND, SIN, SQRT, SQR, TRUNC, NOT, BOOL, SGN &