<header>
<h2 class="title">Math.expm1()</h2>
<p class="description">Повертає результат e^x - 1, де e - основа натурального логарифма.</p>
</header>
<main>
<div class="result">
<label for="inputValue">Введіть число:</label>
<input type="number" id="inputValue" step="0.1">
<button onclick="calculate()">Обчислити</button>
<p>Результат: <span id="outputValue">0</span></p>
</div>
</main>
body {
font-size: 16px;
line-height: 1.5;
font-family: monospace;
}
header {
background-color: #f1f1f1;
margin-bottom: 25px;
padding: 15px;
box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}
header h2.title {
padding-bottom: 15px;
border-bottom: 1px solid #999;
}
header p.description {
font-style: italic;
color: #222;
}
.result {
background-color: #f8f8f8;
padding: 15px;
box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
box-shadow: 0px 0px 3px 0px rgba(118, 118, 118, 1);
}
button {
margin-left: 15px;
}
function calculate() {
const inputValue = parseFloat(document.getElementById('inputValue').value);
const result = Math.expm1(inputValue);
document.getElementById('outputValue').textContent = result.toFixed(2);
}
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