Jan 14, 2026
v.0
Versions
Bugs
None!
Get This App On Your Website
1. Copy the code above with the iframe and link.
2. Paste the code into your website.
3. Resize the iframe to fit your website.
2. Paste the code into your website.
3. Resize the iframe to fit your website.
Javascript, HTML, CSS Code
<html>
<head>
<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>All-in-One Smart Calculator</title>
<meta name="description" content="All in One Calculator with Math, Graphs, History and PDF">
<meta name="keywords" content="calculator, math, graph, bmi, age, loan">
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap" rel="stylesheet">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.min.js" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.6.0/css/fontawesome.min.css" crossorigin="anonymous">
<script type="text/javascript">
try {
document.addEventListener("DOMContentLoaded", function() {
const historyData = [];
function show(id){
document.querySelectorAll('.section').forEach(s => s.classList.remove('active'));
document.getElementById(id).classList.add('active');
}
function calculate(){
try {
const exp = document.getElementById('exp').value;
const res = eval(exp.replace('sin','Math.sin').replace('cos','Math.cos').replace('tan','Math.tan'));
document.getElementById('result').innerText = "Result: " + res;
saveHistory(exp + " = " + res);
} catch {
document.getElementById('result').innerText = "Error";
}
}
function calcAge(){
const dob = new Date(document.getElementById('dob').value);
const diff = Date.now() - dob.getTime();
const age = new Date(diff).getUTCFullYear() - 1970;
document.getElementById('ageResult').innerText = "Age: " + age + " years";
saveHistory("Age = " + age);
}
function drawGraph(){
const f = document.getElementById('func').value;
const c = document.getElementById('canvas');
const ctx = c.getContext('2d');
ctx.clearRect(0, 0, c.width, c.height);
ctx.beginPath();
ctx.moveTo(0, 100);
for (let x = 0; x < 300; x++) {
let y = eval(f.replace(/x/g, (x - 150) / 20));
ctx.lineTo(x, 100 - y * 20);
}
ctx.strokeStyle = '#ff6f91';
ctx.stroke();
}
function saveHistory(text){
historyData.push(text);
document.getElementById('historyList').innerHTML = historyData.join("<br>");
}
function downloadPDF(){
alert("📄 PDF Export Ready! (Browser Print → Save as PDF)");
}
// Hook UI elements to functions
document.querySelectorAll('.menu-button').forEach(button => {
button.addEventListener('click', () => show(button.dataset.target));
});
document.getElementById('calcButton').addEventListener('click', calculate);
document.getElementById('ageButton').addEventListener('click', calcAge);
document.getElementById('graphButton').addEventListener('click', drawGraph);
document.getElementById('pdfButton').addEventListener('click', downloadPDF);
});
} catch (error) {
throw error;
}
</script>
<style>
body {
font-family: 'Poppins', sans-serif;
margin: 0;
background: linear-gradient(135deg, #ffafbd, #ffc3a0);
color: #fff;
text-align: center;
}
header {
padding: 15px;
font-size: 28px;
font-weight: 600;
background: #ff6f91;
border-radius: 0 0 20px 20px;
box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.container {
background: #fff;
color: #333;
border-radius: 20px 20px 0 0;
padding: 20px;
min-height: 90vh;
position: relative;
margin-top: 30px;
box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
button {
padding: 10px 15px;
margin: 5px;
border: none;
border-radius: 10px;
background: #ff6f91;
color: #fff;
cursor: pointer;
transition: background 0.3s;
font-weight: 600;
}
button:hover {
background: #ff4f7b;
}
input, select {
padding: 8px;
margin: 5px;
border: 2px solid #ff6f91;
border-radius: 5px;
width: calc(90% - 18px);
transition: border-color 0.3s;
}
input:focus {
border-color: #ff4f7b;
outline: none;
}
.section {
display: none;
}
.section.active {
display: block;
}
.history {
font-size: 12px;
background: #f4f4f4;
color: #333;
padding: 10px;
border-radius: 10px;
margin-top: 10px;
overflow-y: auto;
max-height: 150px;
}
canvas {
background: #f8f9fa;
border-radius: 10px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
@media (max-width: 600px) {
header {
font-size: 22px;
}
button {
width: 90%;
}
input {
width: 90%;
}
}
</style>
<link rel="canonical" href="https://calculator.tools/app/all-in-one-smart-calculator-1802/">
<meta charset="utf-8">
</head>
<body>
<header>🧠 All-in-One Smart Calculator</header>
<div class="container">
<div id="menu">
<button class="menu-button" data-target="calc">🧮 Calculator</button>
<button class="menu-button" data-target="age">📅 Age</button>
<button class="menu-button" data-target="graph">📈 Graph</button>
<button class="menu-button" data-target="history">🕒 History</button>
<button id="pdfButton">📄 PDF</button>
</div>
<!-- Calculator -->
<div id="calc" class="section active">
<h3>Calculator</h3>
<input id="exp" placeholder="Example: 2+sin(30)*5">
<button id="calcButton">= Calculate</button>
<p id="result"></p>
</div>
<!-- Age -->
<div id="age" class="section">
<h3>Age Calculator</h3>
<input type="date" id="dob">
<button id="ageButton">Calculate Age</button>
<p id="ageResult"></p>
</div>
<!-- Graph -->
<div id="graph" class="section">
<h3>Graph (y = f(x))</h3>
<input id="func" placeholder="Example: x*x">
<button id="graphButton">Draw</button>
<canvas id="canvas" width="300" height="200"></canvas>
</div>
<!-- History -->
<div id="history" class="section">
<h3>History</h3>
<div class="history" id="historyList"></div>
</div>
</div>
<script type="text/javascript"> var localStoragePrefix = "ct-1802"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname + "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>
<script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script>
</body>
</html>
NEW APPS
These are apps made by the community!
FAQ
What is Calculator Tools?
Calculator Tools allows you to instantly create and generate any simple one page web app for
free and immediately have it online to use and share. This means anything! Mini apps,
calculators, trackers, tools, games, puzzles, screensavers... anything you can think of that the
AI can handle.
The AI uses Javacript, HTML, and CSS programming to code your app up in moments. This currently
uses GPT-4 the latest and most powerful version of the OpenAI GPT language model.
What Do You Mean Make An App?
Have you ever just wanted a simple app but didn't want to learn programming or pay someone to
make it for you? Calculator Tools is the solution! Just type in your prompt and the AI will
generate a simple app for you in seconds. You can then customize it to your liking and share it
with your friends.
AI has become so powerful it is that simple these days.
Does This Use ChatGPT?
It uses GPT-4 which is the most powerful model for ChatGPT.
Calculator Tools does not remember things from prompt to prompt, each image is a unique image
that does not reference any of the images or prompts previously supplied.
Calculator Tools