&#106avascript计算器

&#106avascript计算器(4)             }else {
                for (var i=0;i<comma2-comma1;i++) str1 += "0";
                comma = (type=="/")?0:comma2;
            }
        }else {
            comma = comma1 + comma2;
        }
        if (type=="+") {
            value = parseInt(str1,10) + parseInt(str2,10);
        }else if (type=="-") {
            value = parseInt(str1,10) - parseInt(str2,10);
        }else if (type=="*") {
            value = parseInt(str1,10) * parseInt(str2,10);
        }else if (type=="/") {
            value = parseInt(str1,10) / parseInt(str2,10);
        }
        value = String(value);
        if (comma>0) value = value.substring(0,value.length-comma)+"."+value.substring(value.length-comma,value.length);
        if (value.indexOf(".")!=-1)
            value = value.replace(/0*$/,"");
        return value;
    }
function NumPressed (Num) {
 if (FlagNewNum) {
  FKeyPad.ReadOut.value  = Num;
  FlagNewNum = false;