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65 changes: 65 additions & 0 deletions index.html
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<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Audiowide">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

</head>
<body>
<div id="container">
<div id="calculator">


<form name="sci-calc">
<table class="calculator" cellspacing="0" cellpadding="1">
<tr>
<td colspan="4" class="requiredCol "><input id="display" name="display" value="0" size="50" maxlength="25"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnTop" value="C" onclick="this.form.display.value= 0 "></td>
<td><input type="button" class="number" name="btnTop" value="<" onclick="deleteChar(this.form.display)"></td>
<td><input type="button" class="number" name="btnTop" value="=" onclick="if(checkNum(this.form.display.value)) { compute(this.form) }"></td>
<td><input type="button" class="number" name="btnOpps" value="&#960;" onclick="addChar(this.form.display,'3.14159265359')"></td>
<td><a href="index2.html"><input type="button" class="number" name="btnMath" value="rad" ></a></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnNum" value="7" onclick="addChar(this.form.display, '7')"></td>
<td><input type="button" class="number" name="btnNum" value="8" onclick="addChar(this.form.display, '8')"></td>
<td><input type="button" class="number" name="btnNum" value="9" onclick="addChar(this.form.display, '9')"></td>
<td><input type="button" class="number" name="btnOpps" value="x&#94;" onclick="if(checkNum(this.form.display.value)) { exp(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="/" onclick="addChar(this.form.display, '/')"></td>
<tr>
<td><input type="button" class="number" name="btnNum" value="4" onclick="addChar(this.form.display, '4')"></td>
<td><input type="button" class="number" name="btnNum" value="5" onclick="addChar(this.form.display, '5')"></td>
<td><input type="button" class="number" name="btnNum" value="6" onclick="addChar(this.form.display, '6')"></td>
<td><input type="button" class="number" name="btnOpps" value="ln" onclick="if(checkNum(this.form.display.value)) { ln(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="*" onclick="addChar(this.form.display, '*')"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnNum" value="1" onclick="addChar(this.form.display, '1')"></td>
<td><input type="button" class="number" name="btnNum" value="2" onclick="addChar(this.form.display, '2')"></td>
<td><input type="button" class="number" name="btnNum" value="3" onclick="addChar(this.form.display, '3')"></td>
<td><input type="button" class="number" name="btnOpps" value="&radic;" onclick="if(checkNum(this.form.display.value)) { sqrt(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="-" onclick="addChar(this.form.display, '-')"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnMath" value="&#177" onclick="changeSign(this.form.display)"></td>
<td><input type="button" class="number" name="btnNum" value="0" onclick="addChar(this.form.display, '0')"></td>
<td><input type="button" class="number" name="btnMath" value="&#46;" onclick="addChar(this.form.display, '&#46;')"></td>
<td><input type="button" class="number" name="btnOpps" value="x&#50;" onclick="if(checkNum(this.form.display.value)) { square(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="+" onclick="addChar(this.form.display, '+')"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnMath" value="(" onclick="addChar(this.form.display, '(')"></td>
<td><input type="button" class="number" name="btnMath" value=")" onclick="addChar(this.form.display,')')"></td>
<td><input type="button" class="number" name="btnMath" value="cos" onclick="if(checkNum(this.form.display.value)) { cos(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="sin" onclick="if(checkNum(this.form.display.value)) { sin(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="tan" onclick="if(checkNum(this.form.display.value)) { tan(this.form) }"></td>
</tr>
</tabel>
</form>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
65 changes: 65 additions & 0 deletions index2.html
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<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Audiowide">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">

</head>
<body>
<div id="container">
<div id="calculator">


<form name="sci-calc">
<table class="calculator" cellspacing="0" cellpadding="1">
<tr>
<td colspan="4" class="requiredCol "><input id="display" name="display" value="0" size="50" maxlength="25"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnTop" value="C" onclick="this.form.display.value= 0 "></td>
<td><input type="button" class="number" name="btnTop" value="<" onclick="deleteChar(this.form.display)"></td>
<td><input type="button" class="number" name="btnTop" value="=" onclick="if(checkNum(this.form.display.value)) { compute(this.form) }"></td>
<td><input type="button" class="number" name="btnOpps" value="&#960;" onclick="addChar(this.form.display,'3.14159265359')"></td>
<td><a href="index.html"><input type="button" class="number" name="btnMath" value="deg" ></a></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnNum" value="7" onclick="addChar(this.form.display, '7')"></td>
<td><input type="button" class="number" name="btnNum" value="8" onclick="addChar(this.form.display, '8')"></td>
<td><input type="button" class="number" name="btnNum" value="9" onclick="addChar(this.form.display, '9')"></td>
<td><input type="button" class="number" name="btnOpps" value="x&#94;" onclick="if(checkNum(this.form.display.value)) { exp(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="/" onclick="addChar(this.form.display, '/')"></td>
<tr>
<td><input type="button" class="number" name="btnNum" value="4" onclick="addChar(this.form.display, '4')"></td>
<td><input type="button" class="number" name="btnNum" value="5" onclick="addChar(this.form.display, '5')"></td>
<td><input type="button" class="number" name="btnNum" value="6" onclick="addChar(this.form.display, '6')"></td>
<td><input type="button" class="number" name="btnOpps" value="ln" onclick="if(checkNum(this.form.display.value)) { ln(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="*" onclick="addChar(this.form.display, '*')"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnNum" value="1" onclick="addChar(this.form.display, '1')"></td>
<td><input type="button" class="number" name="btnNum" value="2" onclick="addChar(this.form.display, '2')"></td>
<td><input type="button" class="number" name="btnNum" value="3" onclick="addChar(this.form.display, '3')"></td>
<td><input type="button" class="number" name="btnOpps" value="&radic;" onclick="if(checkNum(this.form.display.value)) { sqrt(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="-" onclick="addChar(this.form.display, '-')"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnMath" value="&#177" onclick="changeSign(this.form.display)"></td>
<td><input type="button" class="number" name="btnNum" value="0" onclick="addChar(this.form.display, '0')"></td>
<td><input type="button" class="number" name="btnMath" value="&#46;" onclick="addChar(this.form.display, '&#46;')"></td>
<td><input type="button" class="number" name="btnOpps" value="x&#50;" onclick="if(checkNum(this.form.display.value)) { square(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="+" onclick="addChar(this.form.display, '+')"></td>
</tr>
<tr>
<td><input type="button" class="number" name="btnMath" value="(" onclick="addChar(this.form.display, '(')"></td>
<td><input type="button" class="number" name="btnMath" value=")" onclick="addChar(this.form.display,')')"></td>
<td><input type="button" class="number" name="btnMath" value="cos" onclick="if(checkNum(this.form.display.value)) { cos(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="sin" onclick="if(checkNum(this.form.display.value)) { sin(this.form) }"></td>
<td><input type="button" class="number" name="btnMath" value="tan" onclick="if(checkNum(this.form.display.value)) { tan(this.form) }"></td>
</tr>
</tabel>
</form>
</div>
</div>
<script src="script1.js"></script>
</body>
</html>
70 changes: 70 additions & 0 deletions script.js
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function addChar(input, character) {
if(input.value == null || input.value == "0")
input.value = character
else
input.value += character
}

function cos(form) {
form.display.value = Math.cos(form.display.value*Math.PI/180);
}

function sin(form) {
form.display.value = Math.sin(form.display.value*Math.PI/180);
}

function tan(form) {
form.display.value = Math.tan(form.display.value*Math.PI/180);
}

function sqrt(form) {
form.display.value = Math.sqrt(form.display.value);
}

function ln(form) {
form.display.value = Math.log(form.display.value);
}

function exp(form) {
form.display.value = Math.exp(form.display.value);
}

function deleteChar(input) {
input.value = input.value.substring(0, input.value.length - 1)
}
var val = 0.0;
function percent(input) {
val = input.value;
input.value = input.value + "%";
}

function changeSign(input) {
if(input.value.substring(0, 1) == "-")
input.value = input.value.substring(1, input.value.length)
else
input.value = "-" + input.value
}

function compute(form) {

form.display.value = eval(form.display.value);
}


function square(form) {
form.display.value = eval(form.display.value) * eval(form.display.value)
}

function checkNum(str) {
for (var i = 0; i < str.length; i++) {
var ch = str.charAt(i);
if (ch < "0" || ch > "9") {
if (ch != "/" && ch != "*" && ch != "+" && ch != "-" && ch != "."
&& ch != "(" && ch!= ")" && ch != "%") {
alert("invalid entry!")
return false
}
}
}
return true
}
70 changes: 70 additions & 0 deletions script1.js
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function addChar(input, character) {
if(input.value == null || input.value == "0")
input.value = character
else
input.value += character
}

function cos(form) {
form.display.value = Math.cos(form.display.value);
}

function sin(form) {
form.display.value = Math.sin(form.display.value);
}

function tan(form) {
form.display.value = Math.tan(form.display.value);
}

function sqrt(form) {
form.display.value = Math.sqrt(form.display.value);
}

function ln(form) {
form.display.value = Math.log(form.display.value);
}

function exp(form) {
form.display.value = Math.exp(form.display.value);
}

function deleteChar(input) {
input.value = input.value.substring(0, input.value.length - 1)
}
var val = 0.0;
function percent(input) {
val = input.value;
input.value = input.value + "%";
}

function changeSign(input) {
if(input.value.substring(0, 1) == "-")
input.value = input.value.substring(1, input.value.length)
else
input.value = "-" + input.value
}

function compute(form) {

form.display.value = eval(form.display.value);
}


function square(form) {
form.display.value = eval(form.display.value) * eval(form.display.value)
}

function checkNum(str) {
for (var i = 0; i < str.length; i++) {
var ch = str.charAt(i);
if (ch < "0" || ch > "9") {
if (ch != "/" && ch != "*" && ch != "+" && ch != "-" && ch != "."
&& ch != "(" && ch!= ")" && ch != "%") {
alert("invalid entry!")
return false
}
}
}
return true
}
92 changes: 92 additions & 0 deletions style.css
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body{
font-family: "Audiowide", sans-serif;
background-color: black;
}


.requiredCol {
width: 2px;
border: 2px solid rgb(15, 3, 3);
margin: -2px;
}
#container{
width: 1256px;
height:555px;
background-image: linear-gradient(rgba(0,0,0,0.3),rgba(0,0,0,0.3)), url('bggg.jpg');

background-repeat: no-repeat;
background-position: center;
background-size: cover;
}
#calculator{
width: 460px;
height: 520px;
background: rgba(90, 92, 90, 0.3);
margin: 0 auto;
top: 20px;
position: relative;
border-radius: 5px;
box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.7), 0 6px 20px 0 rgba(0, 0, 0, 0.5);
}
#result{
height: 120px;
}
#history{
text-align: right;
height: 20px;
margin: 0 20px;
padding-top: 20px;
font-size: 15px;
color: #919191;
}
#output{
text-align: right;
height: 60px;
margin: 10px 20px;
font-size: 30px;
}
#keyboard{
height: 400px;
}
.operator, .number, .empty{
width: 50px;
height: 50px;
margin: 15px;
float: left;
border-radius: 50%;
border-width: 0;
font-weight: bold;
font-size: 15px;
}
.number, .empty{
background-color: #eaedef;
}
.number, .operator{
cursor: pointer;
}
.operator:active, .number:active{
font-size: 13px;
}
.operator:focus, .number:focus, .empty:focus{
outline: 0;
}
button:nth-child(4){
font-size: 20px;
background-color: #686969;
}
button:nth-child(8){
font-size: 20px;
background-color:#686969;
}
button:nth-child(12){
font-size: 20px;
background-color: #686969;
}
button:nth-child(16){
font-size: 20px;
background-color:#686969;
}
button:nth-child(20){
font-size: 20px;
background-color: #686969;
}