<html><head><title>Calculadora</title><SCRIPT LANGUAGE="JavaScript">
<!--
var wynik=0, op=0, nowe=0, nowe2=0, done=1, oset=0, kropka, temp;
function reset(value)
{
document.form1.ekran.value = value;
wynik = 0,
op = 0,
nowe = 0,
nowe2 = 0;
done = 1;
oset = 0;
}
function wspolna(new_temp)
{
kropka = 1;
if(nowe || done) {
nowe = 0;
done = 0;
temp = new_temp;
}
{
if (temp.indexOf(".")!=-1) {
kropka=0;
}
}
}
function button(ktory,ktory2)
{
temp = document.form1.ekran.value;
if(ktory2=='.') {
wspolna('0');
if(kropka==1) {
temp += ktory2;
document.form1.ekran.value = temp;
oset = 0;
}
}
if(ktory>=0 && ktory<=9) {
wspolna('');
if(temp==0 && kropka==1) temp='';
temp += ktory;
document.form1.ekran.value = temp;
oset = 1;
}
if(ktory2=='-' || ktory2=='+' || ktory2=='/' || ktory2=='*') {
if(nowe) op = ktory2
else {
if(!nowe2) {
op = ktory2;
wynik = temp;
nowe2=1;
}
else {
wynik = eval(wynik + op + temp);
op = ktory2;
document.form1.ekran.value = wynik;
}
oset=0;
nowe = 1;
}
}
if(ktory2=='1/x' ) { wynik = eval(1 / temp) ; reset(wynik); }
if(ktory2=='sqrt') { wynik = Math.sqrt(temp); reset(wynik); }
if(ktory2=='exp' ) { wynik = Math.exp(temp) ; reset(wynik); }
if(ktory2=='+/-') document.form1.ekran.value = eval(-temp);
if(ktory2=='=' && oset && op!='0') reset(eval(wynik + op + temp));
if (ktory2=='C') reset(0);
if(document.form1.ekran.value[0] == '.')
document.form1.ekran.value = '0' + document.form1.ekran.value;
}
//-->
</SCRIPT>
<p>
<!-- inserir o código listado abaixo na seção BODY da sua página html --> <body bgcolor="black"><center><i><font face="arial" color="white" size="2">
Obrigado por usar nossos serviços</font></i>
<form name="form1">
<TABLE bgcolor="#FF6600">
<TR>
<TD>
<TABLE BORDER=0 cellspacing=3 cellpadding=1 bgcolor="#FF9933">
<TR align=center bgcolor="#FF6600">
<TD colspan=5>
<input type="text" name="ekran" value="0">
</TD>
</TR>
<TR align=center bgcolor="#FF6600">
<TD colspan=4>
<B>
<font color="Black" face="Georgia, Times New Roman, Times, serif" size="3">
Calculadora
</font>
</B>
</TD>
<TD>
<input type="button" name="C" value=" C " onClick="button(11,'C')">
</TD>
</TR>
<TR align=center bgcolor="#FF6600">
<TD>
<input type="button" name="7" value=" 7 " onclick="button(7 ,'')">
</TD>
<TD>
<input type="button" name="8" value=" 8 " onclick="button(8 ,'')">
</TD>
<TD>
<input type="button" name="9" value=" 9 " onclick="button(9 ,'')">
</TD>
<TD>
<input type="button" name="/" value=" / " onclick="button(11,'/')">
</TD>
<TD>
<input type="button" name="sqrt" value="V¯¯" onClick="button(11,'sqrt')">
</TD>
</TR>
<TR align=center bgcolor="#FF6600">
<TD>
<input type="button" name="4" value=" 4 " onClick="button(4,'')">
</TD>
<TD>
<input type="button" name="5" value=" 5 " onClick="button(5,'')">
</TD>
<TD>
<input type="button" name="6" value=" 6 " onClick="button(6,'')">
</TD>
<TD>
<input type="button" name="*" value=" * " onclick="button(11,'*')">
</TD>
<TD>
<input type="button" name="exp" value="exp" onClick="button(11,'exp')">
</TD>
</TR>
<TR align=center bgcolor="#FF6600">
<TD>
<input type="button" name="1" value=" 1 " onclick="button(1,'')">
</TD>
<TD>
<input type="button" name="2" value=" 2 " onclick="button(2,'')">
</TD>
<TD>
<input type="button" name="3" value=" 3 " onclick="button(3,'')">
</TD>
<TD>
<input type="button" name="-" value=" - " onclick="button(11,'-')">
</TD>
<TD>
<input type="button" name="1/x" value="1/x " onClick="button(11,'1/x')">
</TD>
</TR>
<TR align=center bgcolor="#FF6600">
<TD>
<input type="button" name="0" value=" 0 " onclick="button(0,'')">
</TD>
<TD>
<input type="button" name="+/-" value=" +/- " onClick="button(11,'+/-')">
</TD>
<TD>
<input type="button" name="." value=" , " onclick="button(11,'.')">
</TD>
<TD>
<input type="button" name="+" value=" + " onclick="button(11,'+')">
</TD>
<TD>
<input type="button" name="=" value=" = " onclick="button(11,'=')">
</TD>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
</form>
</head>
<FORM>
<INPUT TYPE="button" NAME="Button"
VALUE="Fechar" ONCLICK="window.close()">
</FORM></center></body></html>
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