added neon number calculator

Rakesh9100 · Feb 9, 2024 · 85bea3c · 85bea3c
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diff --git a/Calculators/Neon-Number-Calculator/README.md b/Calculators/Neon-Number-Calculator/README.md
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+# <p align="center">Neon Number Calculator</p>
+
+## Description:
+
+Neon Number Calculator is a web application that allows users to check if a given number is a neon number and find neon numbers within a specified range.
+
+- Checks if a number is a neon number.
+- Finds neon numbers within a specified range.
+- Responsive design for multiple devices.
+
+## What is a Neon Number?
+
+A neon number is a number where the sum of its digits, when squared, equals the original number. Mathematically, for a given number 'n', if the sum of the digits of n^2 is equal to n, then it is a neon number.
+
+For example, 9 is a neon number because 9^2 = 81, and the sum of the digits of 81 is 8 + 1 = 9.
+
+## Tech Stacks:
+
+- HTML
+- CSS
+- JavaScript
+
+## Screenshots:
+
+![Neon](https://github.com/Rakesh9100/CalcDiverse/assets/125949765/db79ecfe-1faa-4f01-9b63-f01f750a7781)
diff --git a/Calculators/Neon-Number-Calculator/index.html b/Calculators/Neon-Number-Calculator/index.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="style.css">
+    <title>Neon Number Calculator</title>
+</head>
+
+<body>
+
+    <h1 class="title">Neon Number Calculator</h1>
+
+    <div class="calculator">
+        <div class="section">
+            <p class="calculator-title">Check Single Neon Number</p>
+            <label for="number">Enter a number:</label>
+            <input type="number" id="number" placeholder="Enter a number">
+            <button onclick="checkNeonNumber()">Check</button>
+            <p id="resultSingle"></p>
+        </div>
+
+        <div class="section">
+            <p class="calculator-title">Check Neon Numbers in Range</p>
+            <label for="fromRange">From:</label>
+            <input type="number" id="fromRange" placeholder="Enter from number">
+            <label for="toRange">To:</label>
+            <input type="number" id="toRange" placeholder="Enter to number">
+            <button onclick="checkNeonNumbersInRange()">Check</button>
+            <p id="rangeResult"></p>
+        </div>
+    </div>
+
+<script src="script.js"></script>
+</body>
+
+</html>
diff --git a/Calculators/Neon-Number-Calculator/script.js b/Calculators/Neon-Number-Calculator/script.js
@@ -0,0 +1,54 @@
+function checkNeonNumber() {
+    let number = document.getElementById('number').value;
+
+    if (!validateInput(number)) {
+        alert('Please enter a valid positive integer.');
+        return;
+    }
+
+    let result = isNeonNumber(number);
+
+    if (result.isNeon) {
+        document.getElementById('resultSingle').innerText = `${number} is a Neon number.`;
+    } else {
+        document.getElementById('resultSingle').innerText = `${number} is not a Neon number. ${result.explanation}`;
+    }
+}
+
+function checkNeonNumbersInRange() {
+    let fromRange = parseInt(document.getElementById('fromRange').value);
+    let toRange = parseInt(document.getElementById('toRange').value);
+
+    if (isNaN(fromRange) || isNaN(toRange) || fromRange >= toRange) {
+        alert('Please enter valid range values.');
+        return;
+    }
+
+    let neonNumbers = [];
+
+    for (let i = fromRange; i <= toRange; i++) {
+        if (isNeonNumber(i.toString()).isNeon) {
+            neonNumbers.push(i);
+        }
+    }
+
+    if (neonNumbers.length > 0) {
+        document.getElementById('rangeResult').innerText = `Neon numbers in the range ${fromRange} to ${toRange}: ${neonNumbers.join(', ')}`;
+    } else {
+        document.getElementById('rangeResult').innerText = `There are no Neon numbers in the range ${fromRange} to ${toRange}.`;
+    }
+}
+
+function validateInput(number) {
+    return /^[1-9]\d*$/.test(number);
+}
+
+function isNeonNumber(number) {
+    let square = parseInt(number) ** 2;
+    let digitSum = Array.from(square.toString()).reduce((acc, digit) => acc + parseInt(digit), 0);
+
+    return {
+        isNeon: digitSum === parseInt(number),
+        explanation: `The square of ${number} is ${square}. The sum of its digits is ${digitSum}.`
+    };
+}
diff --git a/Calculators/Neon-Number-Calculator/style.css b/Calculators/Neon-Number-Calculator/style.css
@@ -0,0 +1,79 @@
+body {
+    font-family: 'Arial', sans-serif;
+    text-align: center;
+    margin: 0;
+    padding: 0;
+    background-color: #000;
+    color: #fff;
+}
+
+.calculator {
+    display: flex;
+    justify-content: space-around;
+    align-items: flex-start; /* Adjusted alignment */
+    margin: 50px auto;
+    max-width: 900px;
+}
+
+.section {
+    width: 45%;
+    padding: 20px;
+    box-sizing: border-box;
+    background-color: #000;
+    border: 1px solid #00f;
+    border-radius: 15px;
+    box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
+    margin-bottom: 20px;
+}
+
+input {
+    padding: 10px;
+    font-size: 16px;
+    margin-top: 10px;
+    width: 100%;
+    box-sizing: border-box;
+}
+
+button {
+    padding: 10px 20px;
+    font-size: 16px;
+    cursor: pointer;
+    background-color: #00f;
+    color: #fff;
+    border: none;
+    border-radius: 5px;
+    margin-top: 10px;
+    transition: background-color 0.3s, box-shadow 0.3s;
+}
+
+button:hover {
+    background-color: #003366;
+    box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
+}
+
+p {
+    font-size: 18px;
+    margin-top: 20px;
+    color: #fff;
+}
+
+.title {
+    padding: 20px;
+    margin: 0;
+    font-size: 36px;
+    font-weight: 900;
+    color: yellow;
+    transition: color 0.3s, transform 0.3s;
+}
+
+.title:hover {
+    color: red;
+    transform: scale(1.1);
+}
+
+.calculator-title {
+    color: #4caf50;
+    font-size: 24px;
+    font-weight: bold;
+    margin-bottom: 15px;
+}