Kalkulacka na webu :-))

.. tak to jste možná ještě neviděli :-):-):-)

HTML kod :
<SCRIPT language=JavaScript>
<!--
function compute(obj)
{
obj.expr.value = eval(obj.expr.value);
}
var one = '1';
var two = '2';
var three = '3';
var four = '4';
var five = '5';
var six = '6';
var seven = '7';
var eight = '8';
var nine = '9';
var zero = '0';
var plus = '+';
var minus = '-';
var multiply = '*';
var divide = '/';
var decimal = '.';
function enter(obj, string)
{
obj.expr.value += string;
}
function clear(obj)
{
obj.expr.value = '';
}
<!-- -->
</SCRIPT>


<FORM name=calculator>
<TABLE bgColor=red border=6>
<TBODY>
<TR>
<TD colSpan=4><INPUT name=expr size=22 action="compute(this.form)"> </TD>
<TR>
<TD><INPUT onclick="enter(this.form, seven)" type=button value="   7   ">
<TD><INPUT onclick="enter(this.form, eight)" type=button value="   8   ">
<TD><INPUT onclick="enter(this.form, nine)" type=button value="   9   ">
<TD><INPUT onclick="enter(this.form, divide)" type=button value="   /   ">
</TD>
<TR>
<TD><INPUT onclick="enter(this.form, four)" type=button value="   4   ">
<TD><INPUT onclick="enter(this.form, five)" type=button value="   5   ">
<TD><INPUT onclick="enter(this.form, six)" type=button value="   6   ">
<TD><INPUT onclick="enter(this.form, multiply)" type=button value="   *   ">
</TD>
<TR>
<TD><INPUT onclick="enter(this.form, one)" type=button value="   1   ">
<TD><INPUT onclick="enter(this.form, two)" type=button value="   2   ">
<TD><INPUT onclick="enter(this.form, three)" type=button value="   3   ">
<TD><INPUT onclick="enter(this.form, minus)" type=button value="   -    ">
</TD>
<TR>
<TD colSpan=2><INPUT onclick="enter(this.form, zero)" type=button value="        0        ">


<TD><INPUT onclick="enter(this.form, decimal)" type=button value="   .    ">


<TD><INPUT onclick="enter(this.form, plus)" type=button value="   +   ">
</TD>
<TR>
<TD colSpan=2><INPUT onclick=compute(this.form) type=button value="        =        ">


<TD colSpan=2><INPUT onclick=reset(this.form) size=3 type=button value="      AC      ">
</TR></TBODY></TABLE></FORM>




6 ... velikost okrajů kalkukačky
red ... barva kalkulačky


Pokračujte kliknutím na tlačítko ENTER !

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