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@Pranaysrst
Pranaysrst authored May 10, 2017
1 parent 2da5b8f commit 79bd704
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12 changes: 12 additions & 0 deletions calc.iml
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<?xml version="1.0" encoding="UTF-8"?>
<module type="WEB_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/.tmp" />
<excludeFolder url="file://$MODULE_DIR$/temp" />
<excludeFolder url="file://$MODULE_DIR$/tmp" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>
8 changes: 8 additions & 0 deletions modules.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/calc.iml" filepath="$PROJECT_DIR$/.idea/calc.iml" />
</modules>
</component>
</project>
209 changes: 209 additions & 0 deletions new.html
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<html>
<head>
<title>calculator</title>
<style>
td{"align:"center";"}
</style>
<script language="JavaScript">
var memory="0";
var operation= 0;
var current="0";
var maxlength=10;
var ans="0";
function EnterDigit(digit)
{
if (current.length > maxlength)
{
current = "Error! Too long"; //limit length
}
else
{
if ((parseInt(current) == 0) && (current.indexOf(".") == -1))
{
current = digit;
}
else
{
current = current + digit;
};
};
document.calculator.display.value = current;
}

function Clear()
{
current="0";
document.calculator.display.value=current;
}

function AllClear()
{
current="0";
memory="0";
operation=0;
document.calculator.display.value=current;
}

function putDot()
{
if (current.length == 0)
{
current = "0.";
}
else
{
if (current.indexOf(".") == -1)
{
current = current + ".";
};
};
document.calculator.display.value = current;
}

function Operation(sign)
{
if(sign=='*')
{
operation=1;
}
if(sign=='/')
{
operation=2;
}
if(sign=='+')
{
operation=3;
}
if(sign=='-')
{
operation=4;
}
memory = current;
current = "";
document.calculator.display.value = current;
}

function Inverse()
{
var a=1;
ans=Math.pow(parseFloat(current),-1);
document.calculator.display.value=ans;
}

function Answer()
{
if(operation==1)
{
ans= parseFloat(current) * parseFloat(memory);
}
if(operation==2)
{
if(parseInt(current) != 0)
{
ans=parseFloat(memory) / parseFloat(current);
}
else
{
ans="divide error"
}
}
if(operation==3)
{
ans=parseFloat(memory) + parseFloat(current);
}
if(operation==4)
{
ans=parseFloat(memory) - parseFloat(current);
}
// current=ans;
operation=0;
document.calculator.display.value=ans;
}

function SQRT()
{
document.calculator.display.value=Math.sqrt(current);
current=Math.sqrt(current);
}

function ChangeSign()
{
if(current.indexOf("-")=="0")
{
current=current.substring(1);
}
else
{
current="-" + current;
}
document.calculator.display.value=current;
}

function Percent()
{
current=document.calculator.display.value;
// current= parseFloat(current)* parseFloat(memory);
if(operation==1)
{
current=parseFloat(current)/100;
}
else
{
current=parseFloat(current)/100;
current=parseFloat(current)*parseFloat(memory);
}
}
</script>
</head>

<body>
<form name="calculator">
<br>
<table border="5" align="center">
<tr><td width="284" height="200" >
<table width="100%" border="0" align="center" cellpadding="5" cellspacing="0">
<tr>
<td colspan="5"><p align="center">Simple Calculator</p></td>
</tr>
<tr>
<td colspan="5"> <input name="display" id="txt" type="text" size="40" maxlength="20"></td>
</tr>
<tr>
<td colspan="4" align="right"><input type="button" name="butAC" id="b5" value=" AC " onClick="AllClear()"> </td>
<td><input type="button" name="butC2" id="butC" value=" C " onClick="Clear()"></td>
</tr>
<tr>
<td > <input type="button" name="but1" id="b1" value=" 1 " onClick="EnterDigit('1')"> </td>
<td > <input type="button" name="but2" id="b2" value=" 2 " onClick="EnterDigit('2')"> </td>
<td > <input type="button" name="but3" id="b3" value=" 3 " onClick="EnterDigit('3')"> </td>
<td > <input type="button" name="div" id="b4" value=" / " onClick="Operation('/')"> </td>
<td > <input type="button" name="butAC" id="b5" value=" % " onClick="Percent()"> </td>
</tr>
<tr>
<td> <input type="button" name="but4" id="b6" value=" 4 " onClick="EnterDigit('4')"> </td>
<td> <input type="button" name="but5" id="b7" value=" 5 " onClick="EnterDigit('5')"> </td>
<td> <input type="button" name="but6" id="b8" value=" 6 " onClick="EnterDigit('6')"> </td>
<td> <input type="button" name="mul" id="b9" value=" * " onClick="Operation('*')"> </td>
<td> <input type="button" name="butC" id="b10" value=" 1/x " onClick="Inverse()"> </td>
</tr>
<tr>
<td> <input type="button" name="but7" id="b11" value=" 7 " onClick="EnterDigit('7')"> </td>
<td> <input type="button" name="but8" id="b12" value=" 8 " onClick="EnterDigit('8')"> </td>
<td> <input type="button" name="but9" id="b13" value=" 9 " onClick="EnterDigit('9')"> </td>
<td> <input type="button" name="min" id="b14" value=" - " onClick="Operation('-')"> </td>
<td> <input type="button" name="sqrt" id="b15" value=" sqrt " onClick="SQRT()"> </td>
</tr>
<tr>
<td> <input type="button" name="change" id="b16" value=" +/- " onClick="ChangeSign()"> </td>
<td> <input type="button" name="but0" id="b17" value=" 0 " onClick="EnterDigit('0')"></td>
<td> <input type="button" name="pnt" id="b18" value=" . " onClick="putDot()"> </td>
<td> <input name="plus" id="b19" type="button" value=" + " onClick="Operation('+')"> </td>
<td> <input type="button" name="equ" id="b20" value=" = " onClick="Answer()"> </td>
</tr>
</table>
</td></tr>
</table>
<br>
</form>
</body>
</html>
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