diff --git a/Calculators/Annulus-Calculator/README.md b/Calculators/Annulus-Calculator/README.md
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+#
Annulus Calculator
+
+## Description :-
+
+The Annulus Calculator is a simple web-based tool designed to calculate the area of an annulus (a ring-shaped geometric figure) based on the given outer and inner radii.
+
+## Tech Stacks :-
+
+- HTML
+- CSS
+- JavaScript
+
+## Screenshots :-
+
+![image](https://github.com/user-attachments/assets/d0553dae-67c9-489c-9ba1-fff268b30624)
diff --git a/Calculators/Annulus-Calculator/index.html b/Calculators/Annulus-Calculator/index.html
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+
+ Annulus Calculator
+
+
+
+
Annulus Calculator
+
+
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diff --git a/Calculators/Annulus-Calculator/script.js b/Calculators/Annulus-Calculator/script.js
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+document.getElementById('annulusForm').addEventListener('submit', function (e) {
+ e.preventDefault();
+
+ const outerRadius = parseFloat(document.getElementById('outerRadius').value);
+ const innerRadius = parseFloat(document.getElementById('innerRadius').value);
+
+ if (isNaN(outerRadius) || isNaN(innerRadius) || outerRadius <= 0 || innerRadius <= 0 || outerRadius <= innerRadius) {
+ alert('Please enter valid radii. The outer radius must be greater than the inner radius.');
+ return;
+ }
+
+ // Calculate the area of the annulus
+ const area = Math.PI * (Math.pow(outerRadius, 2) - Math.pow(innerRadius, 2));
+ document.getElementById('result').innerText = `Area of the Annulus: ${area.toFixed(2)} square units`;
+
+ // Show the diagram and animate the circles
+ const diagram = document.getElementById('diagram');
+ const outerCircle = document.getElementById('outer-circle');
+ const innerCircle = document.getElementById('inner-circle');
+
+ diagram.style.display = 'block'; // Show diagram
+ diagram.classList.add('fade-in');
+
+ // Set the dimensions of the circles
+ outerCircle.style.width = `${outerRadius * 40}px`; // Multiply by 40 for better scaling
+ outerCircle.style.height = `${outerRadius * 40}px`;
+ innerCircle.style.width = `${innerRadius * 40}px`;
+ innerCircle.style.height = `${innerRadius * 40}px`;
+});
diff --git a/Calculators/Annulus-Calculator/style.css b/Calculators/Annulus-Calculator/style.css
new file mode 100644
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+++ b/Calculators/Annulus-Calculator/style.css
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+body {
+ font-family: Arial, sans-serif;
+ background-color: #f0f8ff;
+ display: flex;
+ justify-content: center;
+ align-items: center;
+ height: 100vh;
+ margin: 0;
+ background-size: cover;
+ background-repeat: no-repeat;
+}
+
+.container {
+ background-color: rgba(0, 0, 0, 0.7);
+ padding: 30px;
+ color: white;
+ border-radius: 8px;
+ box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
+ width: 80%;
+ max-width: 500px;
+ text-align: center;
+ transition: all 0.3s ease;
+}
+
+.container:hover {
+ transform: scale(1.05);
+}
+
+h1 {
+ color: #ff6347;
+ font-size: 2em;
+ margin-bottom: 20px;
+}
+
+.form-group {
+ margin-bottom: 20px;
+ text-align: left;
+}
+
+label {
+ display: block;
+ margin-bottom: 5px;
+ color: #ffeb3b;
+}
+
+input {
+ width: 100%;
+ padding: 12px;
+ margin-top: 8px;
+ box-sizing: border-box;
+ border: 2px solid #007bff;
+ border-radius: 4px;
+ background-color: #f0f0f0;
+}
+
+input:focus {
+ border-color: #ff6347;
+ outline: none;
+}
+
+button {
+ padding: 12px 20px;
+ background-color: #28a745;
+ color: white;
+ border: none;
+ border-radius: 4px;
+ cursor: pointer;
+ font-size: 1em;
+ width: 100%;
+ transition: background-color 0.3s ease;
+}
+
+button:hover {
+ background-color: #218838;
+}
+
+#result {
+ margin-top: 20px;
+ font-weight: bold;
+ color: #ff6347;
+}
+
+.diagram {
+ margin-top: 40px;
+ width: 300px;
+ height: 300px;
+ position: relative;
+ margin-left: auto;
+ margin-right: auto;
+ display: none;
+}
+
+.outer-circle {
+ position: absolute;
+ width: 100%;
+ height: 100%;
+ border: 10px solid #007bff;
+ border-radius: 50%;
+ background-color: rgba(0, 123, 255, 0.1);
+ top: 0;
+ left: 0;
+ transition: width 0.3s, height 0.3s;
+}
+
+.inner-circle {
+ position: absolute;
+ top: 50%;
+ left: 50%;
+ transform: translate(-50%, -50%);
+ border: 10px solid #28a745;
+ background-color: rgba(40, 167, 69, 0.1);
+ border-radius: 50%;
+ transition: width 0.3s, height 0.3s;
+}
+
+/* Animations */
+.fade-in {
+ animation: fadeIn 0.5s ease-in-out;
+}
+
+@keyframes fadeIn {
+ from {
+ opacity: 0;
+ }
+
+ to {
+ opacity: 1;
+ }
+}
diff --git a/README.md b/README.md
index 2d6c47e7f..444f0272c 100644
--- a/README.md
+++ b/README.md
@@ -343,9 +343,10 @@ CalcDiverse is a customized collection of calculators for various aspects of mat
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