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<![CDATA[
<html>
<head>
<title>
JavaScript DESTINATION - P077
</title>
<script language="JavaScript">
<!--
function compute(obj) {
obj.result.value = eval(obj.expr.value)
}
function visa(obj, n) {
var digit = 0;
n = n.substring(1,2)
obj.expr.value = obj.expr.value + n
}
function clean(obj) {
obj.expr.value = "";
}
function pi(obj){
obj.expr.value = obj.expr.value + Math.PI
}
// -->
</script>
</head>
<body>
<FORM NAME="evalform">
<INPUT TYPE="button" name="01" VALUE=" 1 " onClick="visa(this.form, value)">
<INPUT TYPE="button" name="02 " VALUE=" 2 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="03" VALUE=" 3 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="0+" VALUE=" + " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="PI" VALUE=" PI" onClick="pi(this.form)"><BR>
<INPUT TYPE="button" name="04" VALUE=" 4 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="05" VALUE=" 5 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="06" VALUE=" 6 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="0-" VALUE=" - " onClick="visa(this.form, name)"><BR>
<INPUT TYPE="button" name="07" VALUE=" 7 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="08" VALUE=" 8 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="09" VALUE=" 9 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="0*" VALUE=" * " onClick="visa(this.form, name)"><BR>
<INPUT TYPE="button" name="00" VALUE=" 0 " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="0(" VALUE=" ( " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="0)" VALUE=" ) " onClick="visa(this.form, name)">
<INPUT TYPE="button" name="0/" VALUE=" / " onClick="visa(this.form, name)"><BR>
<INPUT TYPE="button" name="0." VALUE=" . " onClick="visa(this.form, name)">
<P>
Napis vyraz : <INPUT TYPE=text NAME="expr" SIZE=23><BR>
Vysledok : <INPUT TYPE=text NAME="result" SIZE=23>
<BR>
<INPUT TYPE="button" VALUE="Vypocitaj" onClick="compute(this.form)">
<INPUT TYPE="button" VALUE="Vymaz" onClick="clean(this.form)">
</FORM>
</body>
</html>
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