diff --git a/02_Day_Introduction_to_React/02_introduction_to_react.md b/02_Day_Introduction_to_React/02_introduction_to_react.md
index 1867921..edeb26f 100644
--- a/02_Day_Introduction_to_React/02_introduction_to_react.md
+++ b/02_Day_Introduction_to_React/02_introduction_to_react.md
@@ -11,8 +11,6 @@
Asabeneh Yetayeh
October, 2020
-
-
[<< Day 1](../01_Day_JavaScript_Refresher/01_javascript_refresher.md) | [Day 3 >>](../03_Day_Setting_Up/03_day_setting_up.md)
diff --git a/03_Day_Setting_Up/03_day_setting_up.md b/03_Day_Setting_Up/03_day_setting_up.md
index 0d48075..b63d528 100644
--- a/03_Day_Setting_Up/03_day_setting_up.md
+++ b/03_Day_Setting_Up/03_day_setting_up.md
@@ -68,15 +68,34 @@ In react we do not use link to access modules or packages instead we import the
export const addTwo = (a, b) => a + b
export const multiply = (a, b) => a * b
export const subtract = (a, b) => a - b
-default export doSomeMath = () => {
+
+export default (function doSomeMath() {
return {
- addTwo, multiply, subtract
+ addTwo,
+ multiply,
+ subtract,
}
+})()
+```
-}
+Now let's import the _math.js_ modules to a different file.
+
+```js
+// index.js
+// to import the doSomeMath from the math.js with or without extension
+import doSomeMath from './math.js'
+
+// to import the other modules
+// since these modules were not exported as default we have to desctructure
+import { addTwo, multiply, subtract } from './math.js'
+
+import * as everything from './math.js' // to import everything renaming
+console.log(addTwo(5, 5))
+console.log(doSomeMath.addTwo(5, 5))
+console.log(everything)
```
-Now let's import the _math.js_ modules to a different file
+After this, when you see _import React from 'react'_ or _import ReactDOM from 'react-dom'_ you will not be surprised.
## Package