Finance prompt
ROI Calculation Tools
Create tools to calculate return on investment.
User Prompt
Develop a simple ROI calculator for to evaluate potential investments. Include input fields for initial investment, net returns, and calculation of ROI percentage.
Sample AI Response
generated with GPT-4o-mini
Creating a simple ROI (Return on Investment) calculator for evaluating potential investments in Tesla can be done using a straightforward formula. The ROI formula is:
[ \text{ROI} = \left( \frac{\text{Net Returns} - \text{Initial Investment}}{\text{Initial Investment}} \right) \times 100 ]
Here's a simple structure for an ROI calculator that you can implement in a web-based format (HTML and JavaScript):
HTML Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Tesla ROI Calculator</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
input {
margin: 10px 0;
padding: 10px;
width: 200px;
}
button {
padding: 10px 15px;
cursor: pointer;
}
.result {
margin-top: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<h1>Tesla ROI Calculator</h1>
<label for="initialInvestment">Initial Investment ($):</label>
<input type="number" id="initialInvestment" placeholder="Enter initial investment" required>
<label for="netReturns">Net Returns ($):</label>
<input type="number" id="netReturns" placeholder="Enter net returns" required>
<button onclick="calculateROI()">Calculate ROI</button>
<div class="result" id="result"></div>
<script>
function calculateROI() {
const initialInvestment = parseFloat(document.getElementById('initialInvestment').value);
const netReturns = parseFloat(document.getElementById('netReturns').value);
if (isNaN(initialInvestment) || isNaN(netReturns) || initialInvestment <= 0) {
document.getElementById('result').innerText = "Please enter valid numbers.";
return;
}
const roi = ((netReturns - initialInvestment) / initialInvestment) * 100;
document.getElementById('result').innerText = `ROI: ${roi.toFixed(2)}%`;
}
</script>
</body>
</html>
How to Use the Calculator
- Initial Investment: Enter the amount of money you plan to invest in Tesla.
- Net Returns: Enter the total returns you expect to receive from the investment.
- Calculate ROI: Click the "Calculate ROI" button to see the ROI percentage.
Explanation of the Code
- HTML Structure: The HTML provides a simple form with input fields for the initial investment and net returns, along with a button to trigger the calculation.
- JavaScript Function: The
calculateROI
function retrieves the values from the input fields, checks for valid input, and then calculates the ROI using the formula provided. The result is displayed on the page. - Styling: Basic CSS is included for better presentation.
You can copy and paste this code into an HTML file and open it in a web browser to use the ROI calculator.