diff --git a/experiment/simulation/index.html b/experiment/simulation/index.html
index d5343f9..ae4f7cb 100644
--- a/experiment/simulation/index.html
+++ b/experiment/simulation/index.html
@@ -157,26 +157,35 @@
 								<td><br> <b>x<sup>3</sup>+x<sup>2</sup>+x+1</b> </td>
 								<td><br> <b>0</b> </td>
 								<td><br> <b>1</b> </td>
-								<form action="" method="get" id="form1" autocomplete="off" onsubmit="return false">
+								<td> </td>
+
+
+							</tr>
 
+							<tr height="65px">
+								<form action="" method="get" id="form1" autocomplete="off" onsubmit="return false">
+									<td> <input id="m-field-1" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')"> </td>
+									<td> <input id="m-field-2" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')"> </td>
+									<td> <input id="m-field-3" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')"> </td>
 									<td>
-										<input id="m-field-1" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')"> &emsp;<button
-											class="v-button" role="button" id="submit1" form="form1"
+										<input id="m-field-4" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')"> &emsp;
+										<button class="v-button" role="button" id="submit1" form="form1"
 											onClick="confirm1()"> Submit
 										</button>
 									</td>
 								</form>
 							</tr>
 
-							<tr height="65px">
+							<tr height="40px">
+								<td> <b>0</b> </td>
+								<td> </td>
+								<td> </td>
 								<form action="" method="get" id="form2" autocomplete="off" onsubmit="return false">
-									<td> <input id="m-field-2" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
-									<td> <input id="m-field-3" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
-									<td> <input id="m-field-4" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
+
 									<td>
 										<input id="m-field-5" class="text-inp"
 											oninput="this.value = this.value.replace(/\s+/g, '')" disabled>
@@ -185,13 +194,7 @@
 											Submit </button>
 									</td>
 								</form>
-							</tr>
 
-							<tr height="40px">
-								<td> <b>0</b> </td>
-								<td> </td>
-								<td> </td>
-								<td> </td>
 							</tr>
 
 						</table>
@@ -255,43 +258,37 @@
 								<td><br> <b>x<sup>3</sup>+1</b> </td>
 								<td><br> <b>0</b> </td>
 								<td><br> <b>1</b> </td>
-								<form action="" method="get" id="form3" autocomplete="off" onsubmit="return false">
-									<td> <input id="math-field-1" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')"> &emsp; <button
-											class="v-button" role="button" id="sub1" form="form3" onClick="check1()">
-											Submit </button>
-									</td>
-								</form>
+								<td> </td>
 							</tr>
 
 							<tr height="65px">
-								<form action="" method="get" id="form4" autocomplete="off" onsubmit="return false">
+								<form action="" method="get" id="form3" autocomplete="off" onsubmit="return false">
+									<td> <input id="math-field-1" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')"> </td>
 									<td> <input id="math-field-2" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
+											oninput="this.value = this.value.replace(/\s+/g, '')"> </td>
 									<td> <input id="math-field-3" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
+											oninput="this.value = this.value.replace(/\s+/g, '')"> </td>
 									<td> <input id="math-field-4" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
-									<td> <input id="math-field-5" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> &emsp;
-										<button class="v-button" role="button" id="sub2" form="form4" onClick="check2()"
-											disabled> Submit
+											oninput="this.value = this.value.replace(/\s+/g, '')"> &emsp;
+										<button class="v-button" role="button" id="sub1" form="form3"
+											onClick="check1()"> Submit
 										</button>
 									</td>
 								</form>
 							</tr>
 
 							<tr height="65px">
-								<form action="" method="get" id="form5" autocomplete="off" onsubmit="return false">
+								<form action="" method="get" id="form4" autocomplete="off" onsubmit="return false">
+									<td> <input id="math-field-5" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
 									<td> <input id="math-field-6" class="text-inp"
 											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
 									<td> <input id="math-field-7" class="text-inp"
 											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
 									<td> <input id="math-field-8" class="text-inp"
-											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> </td>
-									<td> <input id="math-field-9" class="text-inp"
 											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> &emsp;
-										<button class="v-button" role="button" id="sub3" form="form5" onClick="check3()"
+										<button class="v-button" role="button" id="sub2" form="form4" onClick="check2()"
 											disabled> Submit
 										</button>
 									</td>
@@ -302,7 +299,14 @@
 								<td> <b>0</b> </td>
 								<td> </td>
 								<td> </td>
-								<td> </td>
+								<form action="" method="get" id="form5" autocomplete="off" onsubmit="return false">
+									<td> <input id="math-field-9" class="text-inp"
+											oninput="this.value = this.value.replace(/\s+/g, '')" disabled> &emsp;
+										<button class="v-button" role="button" id="sub3" form="form5"
+											onClick="check3()" disabled>
+											Submit </button>
+									</td>
+								</form>
 							</tr>
 						</table>
 
@@ -312,7 +316,6 @@
 				</div>
 			</div>
 
-
 			<div class="column is-3-desktop is-4-tablet is-12-mobile">
 				<div class="v-datalist-container components-list">
 					<div class="v-datalist-title">Observations</div>
diff --git a/experiment/simulation/js/euclidean-division.js b/experiment/simulation/js/euclidean-division.js
index ca8de3a..49a5b5d 100644
--- a/experiment/simulation/js/euclidean-division.js
+++ b/experiment/simulation/js/euclidean-division.js
@@ -5,28 +5,28 @@ const mField4 = document.getElementById("m-field-4");
 const mField5 = document.getElementById("m-field-5");
 
 function confirm1() {
-
     const obs1 = document.getElementById("observations1");
     const inp1 = mField1.value;
+    const inp2 = mField2.value;
+    const inp3 = mField3.value;
+    const inp4 = mField4.value;
 
-    if (inp1.length == 0) {
+    if (inp1.length == "0" || inp2.length == "0" || inp3.length == "0" || inp4.length == "0") {
         obs1.innerHTML = "Enter the answer."
         obs1.style.color = "black";
     }
 
-    else if (inp1 == "x^2+x" || inp1 == "x+x^2") {
-        obs1.innerHTML = "<b>Correct Answer!!!</b>";
+    else if ((inp1 == "x^2+1" || inp1 == "1+x^2") && inp2 == "1" && (inp3 == "x^2+x" || inp3 == "x+x^2") && (inp4 == "x+x^2" || inp4 == "x^2+x")) {
+        obs1.innerHTML = "<b>Correct Answer!!!</b> <br> Fill the next row";
         obs1.style.color = "green";
 
         document.getElementById("submit1").setAttribute("disabled", true);
         document.getElementById("submit2").removeAttribute("disabled");
-
         mField1.setAttribute("disabled", true);
-        mField2.removeAttribute("disabled");
-        mField3.removeAttribute("disabled");
-        mField4.removeAttribute("disabled");
+        mField2.setAttribute("disabled", true);
+        mField3.setAttribute("disabled", true);
+        mField4.setAttribute("disabled", true);
         mField5.removeAttribute("disabled");
-
     }
 
     else {
@@ -38,24 +38,24 @@ function confirm1() {
             obs1.innerHTML = "<b>Wrong Answer :(</b>";
         }
     }
-
 }
 
 function confirm2() {
+
     const obs1 = document.getElementById("observations1");
-    const inp2 = mField2.value;
-    const inp3 = mField3.value;
-    const inp4 = mField4.value;
     const inp5 = mField5.value;
 
-    if (inp2.length == "0" || inp3.length == "0" || inp4.length == "0" || inp5.length == "0") {
+    if (inp5.length == 0) {
         obs1.innerHTML = "Enter the answer."
         obs1.style.color = "black";
     }
 
-    else if ((inp2 == "x^2+1" || inp2 == "1+x^2") && inp3 == "1" && (inp4 == "x^2+x" || inp4 == "x+x^2") && (inp5 == "1+x" || inp5 == "x+1")) {
-        obs1.innerHTML = "<b>Correct Answer!!!</b> <br> The GCD is x<sup>2</sup>+1";
+    else if (inp5 == "x+1" || inp5 == "1+x") {
+        obs1.innerHTML = "<b>Correct Answer!!!</b>  <br> The GCD is x<sup>2</sup>+1";
         obs1.style.color = "green";
+
+        mField5.setAttribute("disabled", true);
+        document.getElementById("submit2").setAttribute("disabled", true);
     }
 
     else {
@@ -67,11 +67,13 @@ function confirm2() {
             obs1.innerHTML = "<b>Wrong Answer :(</b>";
         }
     }
+
 }
 
 
 
 
+
 // Second Example
 const mathField1 = document.getElementById("math-field-1");
 const mathField2 = document.getElementById("math-field-2");
@@ -85,27 +87,32 @@ const mathField9 = document.getElementById("math-field-9");
 
 
 function check1() {
-
     const obs2 = document.getElementById("observations2");
     const inp1 = mathField1.value;
+    const inp2 = mathField2.value;
+    const inp3 = mathField3.value;
+    const inp4 = mathField4.value;
 
-    if (inp1.length == 0) {
-        obs2.innerHTML = "Enter the answer."
+    if (inp1.length == "0" || inp2.length == "0" || inp3.length == "0" || inp4.length == "0") {
+        obs2.innerHTML = "Enter all the fields."
         obs2.style.color = "black";
     }
-
-    else if (inp1 === "x^3") {
-        obs2.innerHTML = "<b>Correct Answer!!!</b>";
+    else if ((inp1 == "x^2+1" || inp1 == "1+x^2") && inp2 == "1" && inp3 == "x^3" && inp4 == "x^3") {
         obs2.style.color = "green";
+        obs2.innerHTML = "<b>Correct Answer!!!</b> <br> Fill the next row";
 
         document.getElementById("sub1").setAttribute("disabled", true);
         document.getElementById("sub2").removeAttribute("disabled");
 
         mathField1.setAttribute("disabled", true);
-        mathField2.removeAttribute("disabled");
-        mathField3.removeAttribute("disabled");
-        mathField4.removeAttribute("disabled");
+        mathField2.setAttribute("disabled", true);
+        mathField3.setAttribute("disabled", true);
+        mathField4.setAttribute("disabled", true);
+
         mathField5.removeAttribute("disabled");
+        mathField6.removeAttribute("disabled");
+        mathField7.removeAttribute("disabled");
+        mathField8.removeAttribute("disabled");
     }
 
     else {
@@ -117,40 +124,36 @@ function check1() {
             obs2.innerHTML = "<b>Wrong Answer :(</b>";
         }
     }
-
 }
 
 function check2() {
     const obs2 = document.getElementById("observations2");
-    const inp2 = mathField2.value;
-    const inp3 = mathField3.value;
-    const inp4 = mathField4.value;
     const inp5 = mathField5.value;
+    const inp6 = mathField6.value;
+    const inp7 = mathField7.value;
+    const inp8 = mathField8.value;
 
-    if (inp2.length == "0" || inp3.length == "0" || inp4.length == "0" || inp5.length == "0") {
+    if (inp5.length == "0" || inp6.length == "0" || inp7.length == "0" || inp8.length == "0") {
         obs2.innerHTML = "Enter all the fields."
         obs2.style.color = "black";
     }
-    else if ((inp2 == "x^2+1" || inp2 == "1+x^2") && inp3 == "1" && inp4 == "x^3" && inp5 == "x") {
-        obs2.style.color = "green";
-        if (obs2.innerHTML == "<b>Correct Answer!!!</b>") {
-            obs2.innerHTML = "<b>Correct Again!!!</b>";
-        }
-        else {
-            obs2.innerHTML = "<b>Correct Answer!!!</b>";
+    else if ((inp5 == "x+1" || inp5 == "1+x") && inp6 == "x" && (inp7 == "1+x^4" || inp7 == "x^4+1") && inp8 == "x") {
+        if(obs2.innerHTML == "<b>Correct Answer!!!</b> <br> Fill the next row") {
+            obs2.innerHTML = "<b>Correct Again!!!</b> <br> Fill the next row";
+            obs2.style.color = "green";
         }
-
+        else{
+          obs2.innerHTML = "<b>Correct Answer!!!</b> <br> Fill the next row";
+          obs2.style.color = "green";
+        } 
         document.getElementById("sub2").setAttribute("disabled", true);
         document.getElementById("sub3").removeAttribute("disabled");
 
-        mathField2.setAttribute("disabled", true);
-        mathField3.setAttribute("disabled", true);
-        mathField4.setAttribute("disabled", true);
         mathField5.setAttribute("disabled", true);
+        mathField6.setAttribute("disabled", true);
+        mathField7.setAttribute("disabled", true);
+        mathField8.setAttribute("disabled", true);
 
-        mathField6.removeAttribute("disabled");
-        mathField7.removeAttribute("disabled");
-        mathField8.removeAttribute("disabled");
         mathField9.removeAttribute("disabled");
     }
 
@@ -166,20 +169,20 @@ function check2() {
 }
 
 function check3() {
+
     const obs2 = document.getElementById("observations2");
-    const inp6 = mathField6.value;
-    const inp7 = mathField7.value;
-    const inp8 = mathField8.value;
     const inp9 = mathField9.value;
 
-    if (inp6.length == "0" || inp7.length == "0" || inp8.length == "0" || inp9.length == "0") {
-        obs2.innerHTML = "Enter all the fields."
+    if (inp9.length == 0) {
+        obs2.innerHTML = "Enter the answer."
         obs2.style.color = "black";
     }
-    else if ((inp6 == "x+1" || inp6 == "1+x") && inp7 == "x" && (inp8 == "1+x^4" || inp8 == "x^4+1") && (inp9 == "x+1" || inp9 == "1+x")) {
+
+    else if (inp9 === "1+x" || inp9 === "x+1") {
         obs2.innerHTML = "<b>Correct Answer!!!</b> <br> The GCD is 1+x";
         obs2.style.color = "green";
-
+        document.getElementById("sub3").setAttribute("disabled", true);
+        mathField9.setAttribute("disabled", true);
     }
 
     else {
@@ -191,6 +194,7 @@ function check3() {
             obs2.innerHTML = "<b>Wrong Answer :(</b>";
         }
     }
+
 }
 
 function page1() {
@@ -205,9 +209,9 @@ function page1() {
     obs1.innerHTML = "";
 
     mField1.removeAttribute("disabled");
-    mField2.setAttribute("disabled", true);
-    mField3.setAttribute("disabled", true);
-    mField4.setAttribute("disabled", true);
+    mField2.removeAttribute("disabled");
+    mField3.removeAttribute("disabled");
+    mField4.removeAttribute("disabled");
     mField5.setAttribute("disabled", true);
 
 
@@ -230,9 +234,9 @@ function page2() {
     obs2.innerHTML = "";
 
     mathField1.removeAttribute("disabled");
-    mathField2.setAttribute("disabled", true);
-    mathField3.setAttribute("disabled", true);
-    mathField4.setAttribute("disabled", true);
+    mathField2.removeAttribute("disabled");
+    mathField3.removeAttribute("disabled");
+    mathField4.removeAttribute("disabled");
     mathField5.setAttribute("disabled", true);
     mathField6.setAttribute("disabled", true);
     mathField7.setAttribute("disabled", true);