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<!DOCTYPE html> | ||
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<html lang="en"> | ||
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<head> | ||
<meta charset="UTF-8"> | ||
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
<title>Simple Calculator</title> | ||
<link rel="stylesheet" href="./style/button.css"> | ||
<link rel="stylesheet" href="./style/display.css"> | ||
<link rel="stylesheet" href="./style/calc.css"> | ||
<link rel="stylesheet" href="./style/body.css"> | ||
</head> | ||
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<body> | ||
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<div class="calculator"> | ||
<input type="text" id="display" readonly> | ||
<div class=buttons> | ||
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<button onclick="clearDisplay()">C</button> | ||
<button onclick="appendToDisplay('+')">+</button> | ||
<button onclick="appendToDisplay('-')">-</button> | ||
<button onclick="appendToDisplay('*')">*</button> | ||
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<button onclick="appendToDisplay('1')">1</button> | ||
<button onclick="appendToDisplay('2')">2</button> | ||
<button onclick="appendToDisplay('3')">3</button> | ||
<button onclick="appendToDisplay('/')">/</button> | ||
<button onclick="appendToDisplay('4')">4</button> | ||
<button onclick="appendToDisplay('5')">5</button> | ||
<button onclick="appendToDisplay('6')">6</button> | ||
<button onclick="appendToDisplay('!')">!</button> | ||
<button onclick="appendToDisplay('7')">7</button> | ||
<button onclick="appendToDisplay('8')">8</button> | ||
<button onclick="appendToDisplay('9')">9</button> | ||
<button onclick="appendToDisplay('0')">0</button> | ||
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<button onclick="result()">=</button> | ||
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</div> | ||
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</div> | ||
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</div> | ||
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<script> | ||
const arr = [0, 0]; | ||
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function appendToDisplay(value) { | ||
displayValue += value; | ||
document.getElementById('display').value = displayValue; | ||
} | ||
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function clearDisplay() { | ||
displayValue = ''; | ||
document.getElementById('display').value = displayValue; | ||
} | ||
function operators(value) { | ||
displayValue += '+'; | ||
document.getElementById('display').value = displayValue; | ||
} | ||
function result() { | ||
const result = result_1(displayValue) | ||
document.getElementById('display').value = result; | ||
result = toString(displayValue); | ||
} | ||
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let displayValue = ''; | ||
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function result_1(displayValue) { | ||
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count = 0; | ||
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str = ""; | ||
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for (i = 0; i < displayValue.length; i++) { | ||
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if (displayValue[i] == '!') { | ||
arr[0] = Number(str); | ||
return result_2('!'); | ||
} | ||
if (displayValue[i] == '+' || displayValue[i] == '-' || displayValue[i] == '*' || displayValue[i] == '/' || i == displayValue.length - 1) { | ||
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if (i == displayValue.length - 1) | ||
str += displayValue[i]; | ||
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if (count < 1) { | ||
arr[0] = Number(str); | ||
sign = displayValue[i]; | ||
} | ||
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else { | ||
arr[1] = Number(str); | ||
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arr[0] = result_2(sign); | ||
sign = displayValue[i]; | ||
} | ||
str = ""; | ||
count++; | ||
} | ||
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else { | ||
str += displayValue[i]; | ||
} | ||
} | ||
return arr[0]; | ||
} | ||
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function result_2(cases) { | ||
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switch (cases) { | ||
case '+': | ||
{ | ||
return arr[0] + arr[1]; | ||
} | ||
case '*': | ||
{ | ||
return arr[0] * arr[1]; | ||
} | ||
case '-': | ||
{ | ||
return arr[0] - arr[1]; | ||
} | ||
case '/': | ||
{ | ||
return arr[0] / arr[1] | ||
} | ||
case '!': | ||
{ | ||
let fact = 1; | ||
while (arr[0] > 1) { | ||
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fact *= arr[0]; | ||
arr[0] = arr[0] - 1; | ||
} | ||
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return fact | ||
} | ||
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} | ||
} | ||
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// var result = result_1(displayValue); | ||
</script> | ||
</body> | ||
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</html> |
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body { | ||
height: calc(100vh); | ||
display: flex; | ||
justify-content: center; | ||
align-items: center; | ||
background-color: #021b44; | ||
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} |
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.buttons { | ||
/* height: 60%; | ||
width: 80%; | ||
background-color: red; | ||
display: flex; | ||
align-items: center;*/ | ||
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margin-bottom: 10%; | ||
height: 60%; | ||
width: 80%; | ||
display: flex; | ||
flex-wrap: wrap; | ||
/* background-color: rgb(146, 12, 224); */ | ||
border-radius: 5%; | ||
align-items: center; | ||
justify-content: space-evenly; | ||
padding: 1px; | ||
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} | ||
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button { | ||
color: rgb(28, 52, 184); | ||
font-style: bold; | ||
height: 17%; | ||
width: 23%; | ||
border: 2px solid black; | ||
margin: 2px; | ||
display: flex; | ||
justify-content: center; | ||
align-items: center; | ||
border-radius: 5px; | ||
font-size: 1em; | ||
font-weight: 400; | ||
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} | ||
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.buttons :hover { | ||
transform: scale(1.05); | ||
color: black; | ||
background-color: rgb(35, 35, 77); | ||
font-size: 1.4em; | ||
box-shadow: 5px 5px 5px; | ||
border-color: transparent; | ||
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} |
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/* :root { | ||
background-color: rgb(0, 179, 255); | ||
height: 100%; | ||
width: 100%; | ||
display: flex; | ||
align-items: center; | ||
justify-content: center; | ||
} */ | ||
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.calculator { | ||
width: 60vmin; | ||
height: 60vmin; | ||
/* background-color: rgb(4, 27, 80); */ | ||
/* background-color: rgba(255, 255, 255, 0.3); */ | ||
box-shadow: 12px 12px 12px; | ||
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backdrop-filter: blur(10px); | ||
display: flex; | ||
flex-direction: column; | ||
flex-wrap: wrap; | ||
align-items: center; | ||
justify-content: space-between; | ||
border-radius: 15px; | ||
padding: 10px 10px; | ||
position: relative; | ||
} | ||
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/* */ |
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#display { | ||
height: 10%; | ||
width: 80%; | ||
background-color: black; | ||
padding: 2px; | ||
font-size: 120%; | ||
/* direction:rtl; */ | ||
margin-top: 15px; | ||
border: 3px solid black; | ||
border-radius: 15px; | ||
box-shadow: 12px 12px 12px black; | ||
color: aliceblue; | ||
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} |