Спасибо, сам написал, правда ужасно лень было
Считаем -
<html>
<head>
</head>
<body>
<form method="POST">
<textarea rows="12" name="charcount" cols="60" wrap="virtual"></textarea>
<input type="button" value="Посчитать кол-во знаков"
onClick="countit(this)">
<input type="text" name="displaycount" size="20">
</form>
<script language="JavaScript">
function countit(what){
formcontent=what.form.charcount.value
what.form.displaycount.value=formcontent.length
}
</SCRIPT>
</body>
</html>
Калькулируем -
<HTML>
<HEAD><TITLE></TITLE></HEAD>
<script language="JavaScript">
function plus()
{
rezultat.value=znah_1.value-(-1)*znah_2.value;
}
function minus()
{
rezultat.value=znah_1.value-znah_2.value;
}
function umn()
{
rezultat.value=znah_1.value*znah_2.value;
}
function del()
{
rezultat.value=znah_1.value/znah_2.value;
}
</script>
<table border="2">
<tr>
<td>
<input id="znah_1" size="38">
</td>
<td rowspan="3" valign="top">
<input type="button" value=" + " onclick="plus()">
<input type="button" value=" - " onclick="minus()">
<input type="button" value=" * " onclick="umn()">
<input type="button" value=" / " onclick="del()"></td>
</tr>
<tr>
<td><input id="znah_2" size="38"></td>
</tr>
<tr>
<td><input id="rezultat" size="38"></td>
</tr>
</table>
</BODY>
</HTML>