how to make a calculator website html

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showing results for - "how to make a calculator website html"

31 Jul 2018

1<!DOCTYPE html>
2<html lang="en">
3  <head>
4    <meta charset="UTF-8" />
5    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
6    <title>Calculator </title>
7  </head>
8
9  <!--CSS File-->
10
11  	* {
12  margin: 0;
13  padding: 0;
14  box-sizing: border-box;
15}
16body {
17  display: flex;
18  justify-content: center;
19  align-items: center;
20  min-height: 100vh;
21  background: #fffbd5; /* fallback for old browsers */
22  background: -webkit-linear-gradient(
23    to right,
24    #b20a2c,
25    #fffbd5
26  ); /* Chrome 10-25, Safari 5.1-6 */
27  background: linear-gradient(
28    to right,
29    #b20a2c,
30    #fffbd5
31  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
32}
33.container-first {
34  position: relative;
35  background: #0b8000;
36  border-radius: 6px;
37  overflow: hidden;
38  z-index: 10;
39}
40.container-first .calculator {
41  position: relative;
42  display: grid;
43}
44.container-first .calculator .value {
45  grid-column: span 4;
46  height: 140px;
47  width: 300px;
48
49  border: none;
50  padding-left: 1em;
51
52  font-size: 2.5em;
53
54  color: gold;
55}
56.container-first .calculator span {
57  display: grid;
58  height: 4.5em;
59  font-weight: 900;
60  color: rgb(255, 255, 255);
61  text-align: center;
62  align-items: center;
63
64  font-size: 20px;
65  user-select: none;
66  border-bottom: 4px solid rgba(255, 255, 255, 0.07);
67  border-right: 4px solid rgba(255, 255, 255, 0.07);
68}
69input[type="text"] {
70  color: rgb(255, 136, 0);
71  background-color: rgb(156, 40, 40);
72}
73  <body>
74    <div class="container-first">
75      <form name="val" class="calculator">
76        <input type="text" class="value" name="ans" />
77        <span onclick="document.val.ans.value+='4'">4</span>
78        <span onclick="document.val.ans.value+='5'">5</span>
79        <span onclick="document.val.ans.value+='6'">6</span>
80
81
82        <span onclick="document.val.ans.value =eval(document.val.ans.value)">
83          =
84        </span>
85
86
87        <span onclick="document.val.ans.value+='7'">7</span>
88        <span onclick="document.val.ans.value+='8'">8</span>
89        <span onclick="document.val.ans.value+='9'">9</span>
90        <span onclick="document.val.ans.value+='-'">-</span>
91
92        <span onclick="document.val.ans.value+='1'">1</span>
93        <span onclick="document.val.ans.value+='2'">2</span>
94        <span onclick="document.val.ans.value+='3'">3</span>
95
96        <span onclick="document.val.ans.value+='/'">/</span>
97
98        <span onclick="document.val.ans.value+='0'">0</span>
99        <span onclick="document.val.ans.value=''">C</span>
100        <span onclick="document.val.ans.value+='*'">*</span>
101
102        <span onclick="document.val.ans.value+='00'">00</span>
103
104        <span onclick="document.val.ans.value+='+'">+</span>
105      </form>
106    </div>
107  </body>
108</html>

Elyas

24 Nov 2017

1
2<!DOCTYPE html>
3<html lang="en">
4<head>
5<style>
6.contain{
7display: flex;
8}
9#display{
10  width: 98%;
11  
12}
13.mathButtons{
14  width: 100px;
15  height: 40px;
16  background-color: rgb(0,0,0,0.3);
17  color: white;
18}
19.mathButtons:hover{
20  background-color: DodgerBlue;
21  
22  }
23  #clearButton:hover{
24    background-color: orangered;
25  }
26  #container{
27  
28    width: 430px;
29    height: 300px;
30
31    }
32    
33    
34    .buttondigits{
35      background-color:  black;
36      color: white;
37      height: 40px;
38      width: 100px;
39    }
40    #clearButton{
41      width: 100px;
42      height: 40px;
43      background-color: rgb(0,0,0,0.3);
44      font-weight: bold;
45    }
46	.buttondigits:hover {
47background-color: gray;
48}
49
50</style>
51<title> standard calculator </title>
52<meta charset="utf-8">
53<link rel="stylesheet" href="cal.css"/>
54</head>
55<body>
56  
57     <div class="container">
58	<fieldset id="container">
59	  <form name="calculator">
60<input type="text" id="display" name="display" readonly>
61<br>
62<br>
63<br>
64<div class="contain">
65<input class="buttondigits" type="button" value="7" onclick="calculator.display.value += '7'">
66<input class="buttondigits" type="button" value="8" onclick="calculator.display.value += '8'">
67<input class="buttondigits" type="button" value="9" onclick="calculator.display.value += '9'">
68<input class="mathButtons" type="button" value="+" onclick="calculator.display.value += '+'">
69</div>
70
71<div class="contain">
72<input class="buttondigits" type="button" value="4" onclick="calculator.display.value += '4'">
73<input class="buttondigits" type="button" value="5" onclick="calculator.display.value += '5'">
74<input class="buttondigits" type="button" value="6" onclick="calculator.display.value += '6'">
75<input class="mathButtons" type="button" value="-" onclick="calculator.display.value += '-'">
76</div>
77
78<div class="contain">
79<input class="buttondigits" type="button" value="1" onclick="calculator.display.value += '1'">
80<input class="buttondigits" type="button" value="2" onclick="calculator.display.value += '2'">
81<input class="buttondigits" type="button" value="3" onclick="calculator.display.value += '3'">
82<input class="mathButtons" type="button" value="*" onclick="calculator.display.value += '*'">
83</div>
84
85<div class="contain">
86<input id="clearButton" class="button" type="button" value="C" onclick="calculator.display.value = ''">
87<input class="buttondigits" type="button" value="0" onclick="calculator.display.value += '0'">
88<input class= "mathButtons" type="button" value="=" onclick="calculator.display.value = eval(calculator.display.value)">
89<input class="mathButtons" type="button" value="/" onclick="calculator.display.value += '/'">
90</div>
91</form> 
92</fieldset>
93</div>
94</body>
95</html>

Yohann

28 Sep 2019

1<body>
2  
3   <center>
4    <h1 class="text-danger">Calculator</h1> 
5    <p class="q">Type in the numbers to be added, separate them with commas (,). If 'Invalid' shows, you have not used a number, please clear the box and type numbers</p>
6   </center>
7
8    <center>
9    <h3 style="font-family: Lucida Sans; color: lightseagreen">Add</h3>
10    <input class="addinput" type="text">
11   <button class="add" style="font-family: Lucida Sans; background-color: lightsalmon">ADD</button>
12   <p class="p" style="background-color:lightpink">Sum is <span class="result"></span></p>
13   </center>
14 
15<center>
16    <h3 style="font-family: Lucida Sans; color: lightseagreen">Multiply</h3>
17  <input class="multiplyinput" type="text">
18  <button class="multiply" style="font-family: Lucida Sans; background-color: lightsalmon">MULTIPLY</button>
19   <p class="p" style="background-color:lightpink"></p>>Product is <span class="product"></span></p>
20</center>
21
22<center>
23        <h3 style="font-family: Lucida Sans; color: lightseagreen">Subtract</h3>
24    <input class="subtractinput" type="text">
25    <button class="subtract" style="font-family: Lucida Sans; background-color: lightsalmon">SUBTRACT</button>
26     <p class="p" style="background-color:lightpink"></p>>Difference is <span class="difference"></span></p>
27  </center>
28
29  <center>
30        <h3 style="font-family: Lucida Sans; color: lightseagreen">Divide</h3>
31    <input class="divideinput" type="text">
32    <button class="divide" style="font-family: Lucida Sans; background-color: lightsalmon">DIVIDE</button>
33     <p class="p" style="background-color:lightpink"></p>>Quotient is <span class="quotient"></span></p>
34  </center>
35  
36   <script src="calculator.js"></script>
37
38</body>

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