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Create Sr_Calci.html
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@SuramyaRanjan
SuramyaRanjan authored Mar 12, 2024
1 parent f7d2006 commit 30e724b
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Basic Calculator</title>
<style>
body {

font-family: Arial, sans-serif;

display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
height: 100vh;
margin: 0;
background:linear-gradient(to bottom,#33ccff 0%,#ff99cc 100%);
}

.calculator {
padding-top: 25px;
margin-top: 14.5rem;
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 5px;
background-color: #e2c64d;
border-radius: 5px;
box-shadow: 40px 40px rgb(68, 74, 77) ;

padding: 20px;
}

.calculator input[type="text"] {
grid-column: span 4;
margin-bottom: 10px;
padding: 10px;
font-size: 18px;
border-style: double;
border-width: 4px;
border-radius: 5px;
background-color: rgb(187, 239, 239);
}

.calculator button {
width: 100%;
height: 45px;
font-size: 18px;
border: none;
border-radius: 15px 50px 30px;
cursor: pointer;
transition: background-color 0.3s;
box-shadow: 10px 10px rgb(112, 142, 157) ;
}

.calculator button:hover {
background-color: #56cd2e;
font-size: 150%;
}



.manual {
margin-top: 20px;
padding: 10px;
background-color: #f0f0f0;
border-radius: 5px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.manual h2 {
margin-top: 0;
font-size: 20px;
}

.manual p {
margin-bottom: 10px;
line-height: 1.5;
}
mark{

background-color: rgb(207, 232, 175);
color: rgb(17, 17, 17);
text-decoration: underline;
}
#water{
font-size: 1.1rem;
border: 4px solid black;
padding: 1.2em;;
}

@media only screen and (max-width: 600px) {
.calculator {
width: 90%;
max-width: 300px;
}

.calculator button {
height: 40px;
font-size: 16px;
}

.manual {
width: 90%;
max-width: 300px;
}
}


@media only screen and (min-width: 601px) {
.calculator {
width: 60%;
max-width: 600px;
}

.manual {
width: 60%;
max-width: 600px;
}
}

</style>
</head>
<body>



<div class="calculator">
<input type="text" id="display" value="|_||_||_||_||_||_||_||_||_||_||_||_|" readonly>
<button onclick="clearDisplay()" class="button-effect">C</button>
<button onclick="backspace()" class="button-effect">←</button>
<button onclick="appendToDisplay('9')" class="button-effect">9</button>
<button onclick="appendToDisplay('8')" class="button-effect">8</button>
<button onclick="appendToDisplay('7')" class="button-effect">7</button>
<button onclick="appendToDisplay('6')" class="button-effect">6</button>
<button onclick="appendToDisplay('5')" class="button-effect">5</button>
<button onclick="appendToDisplay('4')" class="button-effect">4</button>
<button onclick="appendToDisplay('3')" class="button-effect">3</button>
<button onclick="appendToDisplay('2')" class="button-effect">2</button>
<button onclick="appendToDisplay('1')" class="button-effect">1</button>
<button onclick="appendToDisplay('0')" class="button-effect">0</button>
<button onclick="appendToDisplay('*')" class="button-effect">*</button>
<button onclick="appendToDisplay('/')" class="button-effect">/</button>
<button onclick="appendToDisplay('-')" class="button-effect">-</button>

<button onclick="appendToDisplay('.')" class="button-effect">.</button>
<button onclick="calculate('=')" class="button-effect">=</button>
<button onclick="appendToDisplay('+')" class="button-effect operator">+</button>

</div>

<div class="manual">
<h2>How To Use</h2>
<p><mark>Basic Usage:</mark> Use the mouse or your keyboard to input numbers and operators. Press "C" to clear the display, "=" to calculate and "Enter" to calculate as well.</p>
<p><mark>Keyboard Shortcuts:</mark></p>
<ul>
<li><mark >Numbers (0-9):</mark> Type the number keys to input the respective numbers.</li>
<li><mark>Operators (+, -, *, /):</mark> Type the operator keys to input the respective operators.</li>
<li><mark>Enter:</mark> Calculate the result.</li>
<li><mark>Escape:</mark> Clear the display.</li>
<li><mark>Backspace:</mark>Delete one element.(Note it will not take one step backward)</li>
<li><mark>CAUTION:</mark>If using keybord buttons avoid placing mouse cursor. <br>This is a basic calculator uncapable of various functions and complex calculation.</li>
<p id="water">"&copy; Suramya Ranjan" The work is done by me solely.Although ideas and mapping is done through contents available over the internet,you-tube etc"</p>
</ul>
</div>


<script>
alert("Press 'C' to clear the display");
document.addEventListener('keydown', function(event) {
const key = event.key;

if (key >= '0' && key <= '9' || key === '.' || key === '+' || key === '-' || key === '*' || key === '/') {
appendToDisplay(key);
}
else if (key === 'Enter' || key === '=')
{
calculate();
}
else if (key === 'Escape')
{
clearDisplay();

}
else if (key === 'c' || key === 'C')
{
clearDisplay();
}

else if (key === 'Backspace')
{
backspace();
}
});

function appendToDisplay(value) {
const display = document.getElementById("display");
if (display.value === '0' && value !== '.') {
display.value = value;
} else {
display.value += value;
}
}

function clearDisplay() {
document.getElementById("display").value = '0';
}

function backspace() {
const display = document.getElementById("display");
display.value = display.value.slice(0, -1);
if (display.value === '') {
display.value = '0';
}
}

function calculate() {
let expression = document.getElementById("display").value;
let result = eval(expression);
document.getElementById("display").value = result;
}
</script>


</script>
</body>
</html>

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