可以使你轻松处理有关表达式计算的问题,并有详细的示范代码一看就会用.return(a+b)÷2;hcalc计算器下载double sqrt (double x);输入“"when "+ "i" + "was " +10 +"."”它输出“when i was 10.”double cosh (double x);double pow (double x, double y);英文“表达式计算”编程工具。增强中文支持,可以用记事本在SCRIPT.txt中增加这样的函数:double log (double x);double fmod (double x, double y);例如:HLEngine.dll中已有内部函数:double atan (double x);