逆波兰法调整

app/public/js/zh_calc.js

@@ -273,5 +273,5 @@ const ZhCalc = (function () {
         },
     };
 
-    return {add, sub, mul, div, round, isNonZero: zhBaseCalc.isNonZero, calcExpr: ExprCalc.calcExprStrRpn}
+    return {add, sub, mul, div, round, isNonZero: zhBaseCalc.isNonZero, calcExpr: ExprCalc}
 })();