CALICULATOR JAVASCRIPT

మీకోసమే ఈ క్యాలిక్యులేటర్ జావా స్క్రిప్ట్, ఒక్క నిముషం మీ సైట్ ఆర్ బ్లాగు లో పేట్టే ముందు అన్ని బటన్స్ పని చేస్తున్నాయో లేదో చూసుకోండి.



<form action="" name="Keypad"><br /><br /><table><br /><br /><b><br /><br /><table border="2" width="50" cellpadding="1" cellspacing="5" height="60"><br /><br /><tr><br /><br /><td colspan="3" align="middle"><br /><br /><input width="100%" value="0" name="ReadOut" size="24" type="Text"><br /><br /></td><br /><br /><td<br /><br />><br /><br /><td><br /><br /><input value=" C " name="btnClear" onclick="Clear()" type="Button"><br /><br /></td><br /><br /><td><input value=" CE " name="btnClearEntry" onclick="ClearEntry()" type="Button"><br /><br /></td><br /><br /></td<br /><br />></tr><br /><br /><tr><br /><br /><td><br /><br /><input value=" 7 " name="btnSeven" onclick="NumPressed(7)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" 8 " name="btnEight" onclick="NumPressed(8)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" 9 " name="btnNine" onclick="NumPressed(9)" type="Button"><br /><br /></td><br /><br /><td><br /><br /></td><br /><br /><td><br /><br /><input value=" +/- " name="btnNeg" onclick="Neg()" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" % " name="btnPercent" onclick="Percent()" type="Button"><br /><br /></td><br /><br /></tr><br /><br /><tr><br /><br /><td><br /><br /><input value=" 4 " name="btnFour" onclick="NumPressed(4)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" 5 " name="btnFive" onclick="NumPressed(5)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" 6 " name="btnSix" onclick="NumPressed(6)" type="Button"><br /><br /></td><br /><br /><td><br /><br /></td><br /><br /><td align="middle"><input value=" + " name="btnPlus" onclick="Operation('+')" type="Button"><br /><br /></td><br /><br /><td align="middle"><input value=" - " name="btnMinus" onclick="Operation('-')" type="Button"><br /><br /></td><br /><br /></tr><br /><br /><tr><br /><br /><td><br /><br /><input value=" 1 " name="btnOne" onclick="NumPressed(1)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" 2 " name="btnTwo" onclick="NumPressed(2)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" 3 " name="btnThree" onclick="NumPressed(3)" type="Button"><br /><br /></td><br /><br /><td><br /><br /></td><br /><br /><td align="middle"><input value=" * " name="btnMultiply" onclick="Operation('*')" type="Button"><br /><br /></td><br /><br /><td align="middle"><input value=" / " name="btnDivide" onclick="Operation('/')" type="Button"><br /><br /></td><br /><br /></tr><br /><br /><tr><br /><br /><td><br /><br /><input value=" 0 " name="btnZero" onclick="NumPressed(0)" type="Button"><br /><br /></td><br /><br /><td><br /><br /><input value=" . " name="btnDecimal" onclick="Decimal()" type="Button"><br /><br /></td><br /><br /><td colspan="3"><br /><br /></td><br /><br /><td><br /><br /><input value=" = " name="btnEquals" onclick="Operation('=')" type="Button"><br /><br /></td><br /><br /></tr><br /><br /></table><br /><br /></b></table><br /><br /><br /><br /></form><br /><br /></center><br /><br /><span style="font-family:Verdana, Arial, Helvetica;font-size:85%;"><br /><br /><script language="JavaScript"><br /><br /><!-- Begin<br /><br />var FKeyPad = document.Keypad;<br /><br />var Accumulate = 0;<br /><br />var FlagNewNum = false;<br /><br />var PendingOp = "";<br /><br />function NumPressed (Num) {<br /><br />if (FlagNewNum) {<br /><br />FKeyPad.ReadOut.value = Num;<br /><br />FlagNewNum = false;<br /><br /> }<br /><br />else {<br /><br />if (FKeyPad.ReadOut.value == "0")<br /><br />FKeyPad.ReadOut.value = Num;<br /><br />else<br /><br />FKeyPad.ReadOut.value += Num;<br /><br /> }<br /><br />}<br /><br />function Operation (Op) {<br /><br />var Readout = FKeyPad.ReadOut.value;<br /><br />if (FlagNewNum && PendingOp != "=");<br /><br />else<br /><br />{<br /><br />FlagNewNum = true;<br /><br />if ( '+' == PendingOp )<br /><br />Accumulate += parseFloat(Readout);<br /><br />else if ( '-' == PendingOp )<br /><br />Accumulate -= parseFloat(Readout);<br /><br />else if ( '/' == PendingOp )<br /><br />Accumulate /= parseFloat(Readout);<br /><br />else if ( '*' == PendingOp )<br /><br />Accumulate *= parseFloat(Readout);<br /><br />else<br /><br />Accumulate = parseFloat(Readout);<br /><br />FKeyPad.ReadOut.value = Accumulate;<br /><br />PendingOp = Op;<br /><br /> }<br /><br />}<br /><br />function Decimal () {<br /><br />var curReadOut = FKeyPad.ReadOut.value;<br /><br />if (FlagNewNum) {<br /><br />curReadOut = "0.";<br /><br />FlagNewNum = false;<br /><br /> }<br /><br />else<br /><br />{<br /><br />if (curReadOut.indexOf(".") == -1)<br /><br />curReadOut += ".";<br /><br /> }<br /><br />FKeyPad.ReadOut.value = curReadOut;<br /><br />}<br /><br />function ClearEntry () {<br /><br />FKeyPad.ReadOut.value = "0";<br /><br />FlagNewNum = true;<br /><br />}<br /><br />function Clear () {<br /><br />Accumulate = 0;<br /><br />PendingOp = "";<br /><br />ClearEntry();<br /><br />}<br /><br />function Neg () {<br /><br />FKeyPad.ReadOut.value = parseFloat(FKeyPad.ReadOut.value) * -1;<br /><br />}<br /><br />function Percent () {<br /><br />FKeyPad.ReadOut.value = (parseFloat(FKeyPad.ReadOut.value) / 100) * parseFloat(Accumulate);<br /><br />}<br /><br />// End --><br /><br /></script></span>