Untitled

<html>
<head>
<title>Kalkulator</title>
<link rel="stylesheet" href="style.css" type="text/css" />

<script type="text/javascript">
function licz(n)
{
document.getElementById("dzialanie").innerHTML += n ;
}
function czysc()
{
document.getElementById("dzialanie").innerHTML ="";
}
function dodawanie()
{

}
</script>
</head>
<body>
<div align="center">
<table   border="1" id="calc">
<tr>
<td colspan="4"><input type="text" id="dzialanie"/>
</tr>
<tr>
<td><button  id="jedynka" onclick="licz(1)" >1</button>
<td><button  id="dwa" onclick="licz(2)" "2">2</button>
<td><button>3</button>
<td><button  onclick="dodawanie()">+</button>
</tr>
<tr>
<td><button>4</button>
<td><button>5</button>
<td><button>6</button>
<td><button>-</button>
</tr>
<tr>
<td><button>7</button>
<td><button>8</button>
<td><button>9</button>
<td><button>:</button>
</tr>
<tr>
<td><button>0</button>
<td><button>,</button>
<td><button onclick="czysc()">C</button>
<td><button>*</button>
</tr>
</table>
</div>


</body>
</html>