diff --git a/index.css b/index.css
new file mode 100644
index 0000000..7ad72f1
--- /dev/null
+++ b/index.css
@@ -0,0 +1,104 @@
+/* index.css */
+
+body {
+    margin: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100vh;
+    background-color: #282c34;
+    font-family: Arial, sans-serif;
+}
+
+.content {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    padding: 20px;
+    background-color: #1c1c1c;
+    border-radius: 10px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
+
+textarea {
+    width: 100%;
+    height: 50px;
+    margin-bottom: 20px;
+    padding: 10px;
+    font-size: 1.2em;
+    color: #fff;
+    background-color: #333;
+    border: none;
+    border-radius: 5px;
+    resize: none;
+    text-align: right;
+}
+
+button {
+    width: 60px;
+    height: 60px;
+    margin: 5px;
+    font-size: 1.5em;
+    color: #fff;
+    background-color: #444;
+    border: none;
+    border-radius: 5px;
+    cursor: pointer;
+    transition: background-color 0.3s;
+}
+
+button:hover {
+    background-color: #555;
+}
+
+button:active {
+    background-color: #666;
+}
+
+.Ac {
+    background-color: #f44336;
+    width: 140px;
+}
+
+.divide,.multiply{
+    margin-left: 1.5px;
+}
+.Ac:hover {
+    background-color: #e53935;
+}
+
+.Ac:active {
+    background-color: #d32f2f;
+}
+
+.operator {
+    background-color: #ff9800;
+}
+
+.operator:hover {
+    background-color: #fb8c00;
+}
+
+.operator:active {
+    background-color: #f57c00;
+}
+
+.zero {
+width: 140px;
+}
+
+.equale {
+    background-color: #4caf50;
+    
+}
+
+.equale:hover {
+    background-color: #43a047;
+}
+
+.equale:active {
+    background-color: #388e3c;
+}
+#output{
+font-size: 22px;
+}
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..43ee7b5
--- /dev/null
+++ b/index.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Calculator</title>
+    <link rel="stylesheet" href="index.css">
+</head>
+<body>
+    <div class="content">
+        <textarea name="txt" id="output" readonly></textarea>
+        <div>
+            <button class="Ac">AC</button>
+            <button class="btn operator divide" value="/">/</button>
+            <button class="btn operator multiply" value="*">X</button>
+        </div>
+        <div>
+            <button class="btn" value="7">7</button>
+            <button class="btn" value="8">8</button>
+            <button class="btn" value="9">9</button>
+            <button class="btn operator minase" value="-">-</button>
+        </div>
+        <div>
+            <button class="btn" value="4">4</button>
+            <button class="btn" value="5">5</button>
+            <button class="btn" value="6">6</button>
+            <button class="btn operator plus" value="+">+</button>
+        </div>
+        <div>
+            <button class="btn" value="1">1</button>
+            <button class="btn" value="2">2</button>
+            <button class="btn" value="3">3</button>
+            <button class="operator equale" value="=">=</button>
+        </div>
+        <div>
+            <button class="btn zero" value="0">0</button>
+            <button class="btn point" value=".">.</button>
+        </div>
+    </div>
+    <script src="index.js"></script>
+</body>
+</html>
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..83f501f
--- /dev/null
+++ b/index.js
@@ -0,0 +1,27 @@
+let btn = document.querySelectorAll('.btn');
+let expretion = document.querySelector('#output');
+let result = document.querySelector('.equale');
+let clear = document.querySelector('.Ac');
+
+for (let i = 0; i < btn.length; i++) {
+    btn[i].addEventListener('click', function () {
+    expretion.value = expretion.value + btn[i].value;
+});
+}
+
+result.addEventListener('click', function () {
+    try {
+        let evaluationResult = eval(expretion.value);
+        if (!isFinite(evaluationResult) || isNaN(evaluationResult)) {
+            expretion.value = "Error";
+        } else {
+            expretion.value = evaluationResult;
+        }
+    } catch (e) {
+        expretion.value = "Error";
+    }
+});
+
+clear.addEventListener('click', function () {
+expretion.value = "";
+});
\ No newline at end of file
