zry-calc v1.0.0

#zry-calc zry-calc 是一个简易的计算器 #使用

npm install zry-calc

#引入

var zCalc = require("zry-calc");
var sum = zCalc(10,"+",20);
var jian = zCalc(10,"-",20);
var cheng = zCalc(10,"*",20);
var chu = zCalc(10,"/",20);
console.log(sum);
console.log(jian);
console.log(cheng);
console.log(chu);