Hello! I’ve created a completely free calculator that you can use for your work without any errors. I’m not 100% a programming expert, but I’m quite good at it. The important thing is that this calculator is fully available for use—you can easily integrate it into your website.
For example, you can create a tools website on Blogger, take the codes I provide, publish them on your site, promote it, and start making money.
Now, someone might ask, “Why didn’t you do this for yourself?” Well, I actually did—I have a full tools website, and I earn around $390 on average each month from it. Some months are lower, others are much higher, but $390 is the average. The site gets around 10,000 visitors per month.
You can create a tools website like this on Blogger and use the free “SEO Plus” template—it works perfectly for tools websites.
The code is below; you can copy it, share it on Blogger, and promote it. This can become a steady source of income, but it requires patience.
This is the code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Simple Calculator</title>
<style>
body {
font-family: Arial, sans-serif;
background: #f7f7f7;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.calculator {
background: #fff;
padding: 20px;
border-radius: 15px;
box-shadow: 0 4px 12px rgba(0,0,0,0.15);
width: 300px;
}
.display {
width: 100%;
height: 50px;
font-size: 22px;
text-align: right;
padding: 10px;
border: none;
margin-bottom: 15px;
border-radius: 10px;
background: #f0f0f0;
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px;
}
button {
padding: 15px;
font-size: 18px;
border: none;
border-radius: 10px;
background: #4CAF50;
color: #fff;
cursor: pointer;
transition: 0.2s;
}
button:hover {
background: #45a049;
}
.operator {
background: #ff9800;
}
.operator:hover {
background: #e68900;
}
.clear {
background: #f44336;
}
.clear:hover {
background: #d32f2f;
}
.equal {
grid-column: span 2;
background: #2196F3;
}
.equal:hover {
background: #1976d2;
}
</style>
</head>
<body>
<div class="calculator">
<input type="text" id="display" class="display" disabled>
<div class="buttons">
<button class="clear" onclick="clearDisplay()">C</button>
<button onclick="appendValue('/')">÷</button>
<button onclick="appendValue('*')">×</button>
<button onclick="appendValue('-')">−</button>
<button onclick="appendValue('7')">7</button>
<button onclick="appendValue('8')">8</button>
<button onclick="appendValue('9')">9</button>
<button onclick="appendValue('+')">+</button>
<button onclick="appendValue('4')">4</button>
<button onclick="appendValue('5')">5</button>
<button onclick="appendValue('6')">6</button>
<button onclick="appendValue('.')">.</button>
<button onclick="appendValue('1')">1</button>
<button onclick="appendValue('2')">2</button>
<button onclick="appendValue('3')">3</button>
<button class="equal" onclick="calculate()">=</button>
<button onclick="appendValue('0')" style="grid-column: span 2;">0</button>
</div>
</div>
<script>
const display = document.getElementById('display');
function appendValue(value) {
display.value += value;
}
function clearDisplay() {
display.value = '';
}
function calculate() {
try {
display.value = eval(display.value);
} catch {
display.value = 'Error';
}
}
</script>
</body>
</html>
We’ve put a lot of time and effort into writing and gathering this information, so we’d really appreciate it if you could share it with your friends.
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