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authorUnknown <Alee14498@gmail.com>2017-10-01 00:24:20 -0400
committerUnknown <Alee14498@gmail.com>2017-10-01 00:24:20 -0400
commit78f3c0e9893d36e0ce039c2b79ede8a92ebe468a (patch)
tree8479930f9372a1e9998b6750651565cf52b81ca8 /apps/calculator/scientific.html
parentd8ba59582c137de474789690e777d8c029e08fe6 (diff)
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Adding the code
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+<html>
+<head>
+ <meta http-equiv="x-ua-compatible" content="IE=edge">
+ <title>Calculator</title>
+ <link rel="stylesheet" href="style.css">
+ <link rel="stylesheet" href="common.css">
+ <link rel="shortcut icon" href="favicon32.ico" size="32x32">
+ <script>
+ function charms(){
+ document.getElementById('charmsbar').style.display='block';
+ document.getElementById('datetime').style.display='block';
+ }
+ function destroycharms() {
+ document.getElementById('charmsbar').style.display='none';
+ document.getElementById('datetime').style.display='none';
+ }
+ function start(){
+ document.getElementById('startbutton').style.display='block';
+ }
+ function destroystart() {
+ document.getElementById('startbutton').style.display='none';
+ }
+ </script>
+</head>
+<body>
+ <script language="javascript" type="text/javascript">
+ <!-- Begin
+ 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 sqrt(form) {
+ form.display.value = Math.sqrt(form.display.value);}
+ function deleteChar(input) {
+ input.value = input.value.substring(0, input.value.length - 1)
+ }
+ 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.substring(i, i+1)
+ if (ch < "0" || ch > "9") {
+ if (ch != "/" && ch != "*" && ch != "+" && ch !=
+ "-" && ch != "."
+ && ch != "(" && ch!= ")") {
+ alert("invalid entry!")
+ return false
+ }
+ }
+ }
+ return true
+ }
+ // End -->
+ </script>
+ <div id="scientific" align="center">
+ <table>
+ <form></form>
+ <tbody><tr>
+ <td colspan="6"><input style="width: 400px;" name="display" value="0"></td>
+ </tr>
+ <tr>
+ <td><input style="width: 90px;" value=" exp " onclick="if (checkNum(this.form.display.value)) {
+ exp(this.form) }" class="actionbutton" type="button"></td>
+ <td><input value="7" onclick="addChar(this.form.display, '7')" type="button"></td>
+ <td><input value="8" onclick="addChar(this.form.display, '8')" type="button"></td>
+ <td><input value="9" onclick="addChar(this.form.display, '9')" type="button"></td>
+ <td><input style="width: 60px;" value="/ " onclick="addChar(this.form.display, '/')" class="actionbutton" type="button"></td>
+ </tr>
+ <tr>
+ <td><input style="width: 90px;" value=" ln " onclick="if (checkNum(this.form.display.value)) {
+ ln(this.form) }" class="actionbutton" type="button"></td>
+ <td><input value="4" onclick="addChar(this.form.display, '4')" type="button"></td>
+ <td><input value="5" onclick="addChar(this.form.display, '5')" type="button"></td>
+ <td><input value="6" onclick="addChar(this.form.display, '6')" type="button"></td>
+ <td><input style="width: 60px;" value="* " onclick="addChar(this.form.display, '*')" class="actionbutton" type="button"></td>
+ </tr><tr>
+ <td><input style="width: 90px;" value=" sqrt " onclick="if (checkNum(this.form.display.value)) {
+ sqrt(this.form) }" class="actionbutton" type="button"></td>
+ <td><input value="1" onclick="addChar(this.form.display, '1')" type="button"></td>
+ <td><input value="2" onclick="addChar(this.form.display, '2')" type="button"></td>
+ <td><input value="3" onclick="addChar(this.form.display, '3')" type="button"></td>
+ <td><input style="width: 60px;" value="- " onclick="addChar(this.form.display, '-')" class="actionbutton" type="button"></td>
+ </tr><tr>
+ <td><input style="width: 90px;" value=" sq " onclick="if (checkNum(this.form.display.value)) {
+ square(this.form) }" class="actionbutton" type="button"></td>
+ <td><input value="0" onclick="addChar(this.form.display, '0')" type="button"></td>
+ <td><input style="width: 56px;" value=" . " onclick="addChar(this.form.display, '.')" class="actionbutton" type="button"></td>
+ <td><input style="width: 75px;" value="+/-" onclick="changeSign(this.form.display)" class="actionbutton" type="button"></td>
+ <td><input style="width: 60px;" value="+" onclick="addChar(this.form.display, '+')" class="actionbutton" type="button"></td>
+ </tr><tr>
+ <td><input style="width: 90px;" value=" ( " onclick="addChar(this.form.display, '(')" class="actionbutton" type="button"></td>
+ <td><input style="width: 75px;" value="cos" onclick="if (checkNum(this.form.display.value)) {
+ cos(this.form) }" class="actionbutton" type="button"></td>
+ <td><input value="sin" onclick="if (checkNum(this.form.display.value)) {
+ sin(this.form) }" class="actionbutton" type="button"></td>
+ <td><input style="width: 75px;" value="tan" onclick="if (checkNum(this.form.display.value)) {
+ tan(this.form) }" class="actionbutton" type="button"></td>
+ <td><input style="width: 60px;" value=" ) " onclick="addChar(this.form.display, ')')" class="actionbutton" type="button"></td>
+ </tr><tr>
+ <td><input id="deletebutton" value="Clear" onclick="this.form.display.value = 0 " type="button"></td>
+ <td><input value="<--" onclick="deleteChar(this.form.display)" class="actionbutton" type="button"></td>
+ <td><input style="width: 70px;" class="resultbutton" value="=" name="enter" onclick="if (checkNum(this.form.display.value)) { compute(this.form) }" type="button"></td>
+
+ </tr></tbody></table>
+ </div>
+</body>
+</html> \ No newline at end of file
generated by cgit v1.2.3 (git 2.46.0) at 2026-06-04 07:43:18 +0000