diff --git a/week3-4/MVP/index.html b/week3-4/MVP/index.html
new file mode 100644
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+++ b/week3-4/MVP/index.html
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diff --git a/week3-4/calculator/main.js b/week3-4/calculator/main.js
new file mode 100644
index 0000000..79cec3b
--- /dev/null
+++ b/week3-4/calculator/main.js
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+function numOne(){
+ document.lcdform.inputVals.value += '1';
+}
+
+function numTwo(){
+ document.lcdform.inputVals.value += '2'
+}
+function numThree(){
+ document.lcdform.inputVals.value += '3'
+}
+function numFour(){
+ document.lcdform.inputVals.value += '4'
+}
+function numFive(){
+ document.lcdform.inputVals.value += '5'
+}
+function numSix(){
+ document.lcdform.inputVals.value += '6'
+}
+function numSeven(){
+ document.lcdform.inputVals.value += '7';
+}
+function numEight(){
+ document.lcdform.inputVals.value += '8'
+}
+function numNine(){
+ document.lcdform.inputVals.value += '9'
+}
+function zero(){
+ document.lcdform.inputVals.value += '0'
+}
+function dot(){
+ document.lcdform.inputVals.value += '.'
+}
+function operationPlus(){
+ document.lcdform.inputVals.value += '+'
+}
+function operationMinus(){
+ document.lcdform.inputVals.value += '-'
+}
+function operationMult(){
+ document.lcdform.inputVals.value += '*'
+}
+function operationDiv(){
+ document.lcdform.inputVals.value += '/'
+}
+function equalTo(){
+ document.lcdform.inputVals.value = eval(lcdform.inputVals.value)
+}
+function clr(){
+ document.lcdform.inputVals.value = ''
+}
+
diff --git a/week3-4/calculator/style.css b/week3-4/calculator/style.css
new file mode 100644
index 0000000..7585c61
--- /dev/null
+++ b/week3-4/calculator/style.css
@@ -0,0 +1,41 @@
+body{
+ background-color: #fff;
+ margin: 0px auto;
+}
+.calbody{
+ background-color: #594ef1;
+ border: 1px solid #ff0;
+ padding: 6px;
+ margin-left: 450px;
+ width:340px;
+}
+h1{
+ text-align: center;
+ font-size: 40px;
+ color: #ff3077;
+}
+#inputVal{
+ color: black;
+ text-align: right;
+ width: 325px;
+ height: 35px;
+ font-size: 20px;
+}
+button{
+ background-color: #fff;
+ width: 80px;
+ height: 50px;
+ font-size: 20px;
+ border: 1px solid #594ef1;
+}
+button:hover{
+ background-color: #594ef1;
+}
+.clear{
+ background-color: #ff3077;
+}
+
+/*#equalTo{
+ width: 175px;
+
+}*/
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